1. 南方测绘全站仪nts342r6
全站仪nts-342r6a测量棱镜是角度测量按键
1、水平角测量
(1)按角度测量键,使全站仪处于角度测量模式,照准第一个目标A。
(2)设置A方向的水平度盘读数为0°00′00〃。
(3)照准第二个目标B,此时显示的水平度盘读数即为两方向间的水平夹角。
2、距离测量
(1)设置棱镜常数
测距前须将棱镜常数输入仪器中,仪器会自动对所测距离进行改正。
(2)设置大气改正值或气温、气压值
光在大气中的传播速度会随大气的温度和气压而变化,15℃和760mmHg是仪器设置的一个标准值,此时的大气改正为0ppm。实测时,可输入温度和气压值,全站仪会自动计算大气改正值(也可直接输入大气改正值),并对测距结果进行改正。
2. 南方测绘全站仪NTS342R6测距
一、Windows7旗舰版激活密钥 零售版:
Windows 7 Ultimate Retail永久序列号
【尝试联网激活,如果不能激活,可电话激活】
[Key]:RHTBY-VWY6D-QJRJ9-JGQ3X-Q2289
[Key]:V77DJ-CT8WB-Y3GXT-X3FBP-6F987
[Key]:PRG2C-6MTQ2-RPFKB-QFJRR-CDM36
[Key]:GG87T-YP9W3-P3TXY-7DHR9-MXR7D
[Key]:78G98-BJ8KG-9WFCH-RVPFV-YKVD3
[Key]:89V88-T9R6V-6TTQ3-RBQVG-T4G6G
[Key]:HTXFV-FH8YX-VCY69-JJGBK-7R6XP
二、Windows7旗舰版密钥OEM正版:
【不是这些品牌的电脑,也可以用这些激活码】
Windows 7 Ultimate OEM:SLP永久激活码
戴尔[DELL] :342DG-6YJR8-X92GV-V7DCV-P4K27
联想[Lenovo] :22TKD-F8XX6-YG69F-9M66D-PMJBM
宏碁[Acer] :FJGCP-4DFJD-GJY49-VJBQ7-HYRR2
三星[SAMSUNG] :49PB6-6BJ6Y-KHGCQ-7DDY6-TF7CD
3. 南方测绘全站仪NTS312R操作指南
GTS-312全站仪外观及各部件名称 面板上按键功能 ——进入坐标测量模式键。
◢——进入距离测量模式键。
ANG——进入角度测量模式键。
MENU——进入主菜单测量模式键。
ESC——用于中断正在进行的操作,退回到上一级菜单。
POWER——电源开关键 ► ◄ ——光标左右移动键 ▲ ▼ ——光标上下移动、翻屏键 F1、F2、F3、F4——软功能键,分别对应显示屏上相应位置显示的命令。 显示屏上显示符号的含义 V——竖盘读数 ;
HR——水平读盘读数(右向计数);
VD——仪器望远镜至棱镜间高差;
SD——斜距;
*——正在测距;
N——北坐标,相当于x;E——东坐标,相当于y;
4. 南方测绘全站仪NTS342r10a
电压50KW的水泵按满载电流计算,用公式:Ie=Pe/Ue/√3/cosφ/η;
额定电压380V,功率因数cosφ取0.86,效率η取0.9则额定电流是:50000W/380V/1.732/0.86/0.9 ≈ 98A;
电压50KW电机直接启动,启动电流大于额定电流的5倍(说明电动机功率越大,直接起动的起动电流倍数越大),按5倍取:98A×5=490A,且大于490A;
水泵正常运行电流一般情况下不会达到额定值,通常是额定电流的80%~90%,取85%得:98A×85%=83A;
正常情况下水泵的运行电流是水泵额定电流85-90%之间,这个数据可以从设备铭牌上直接看到,因为与水泵配套的电机就是在水泵满负荷功率情况下留10%-15%的功率余量。
水泵启动电流一般是在运行电流的3-6倍之间,根据配套的启动装置而定,一般直接启动是6倍,降压软启动3倍左右。
5. 南方测绘全站仪NTS342R6A角度测量
一、 利用光学对中器对中
1、架设三角架
将三角架伸到适当高度,确保三腿等长、打开,并使三角架顶面并使三角架顶面近似水平,且位于测站点的正上方。将三角架腿支撑在地面上,使其中一条腿固定。
2、安置仪器和对点
将仪器小心的安置到三角架上,拧紧中心连接螺旋,调整光学对点器,使十字丝成像清晰。双手握住另外两条未固定的架腿,通过对光学对点器的观察调节该两条腿的位置。对光学对点器大致对准侧站点时,使三角架三条腿均固定在地面上。调节全站仪的三个脚螺旋,使光学对点器精确对准侧站点。
3、利用圆水准器粗平仪器粗平仪器
调整三角架三条腿的高度,使全站仪圆水准气泡居中。
4、利用管水准器精平仪器
① 松开水平制动螺旋,转动仪器,使管水准器平行于某一对角螺旋A、B的连线。通过旋转角螺旋A、B,使管水准气泡居中。
② 将仪器旋转90°,使其垂直于角螺旋A、B的连线。旋转角螺旋C,使管水准气泡居中。
5、精确对中与整平
通过对光学对点器的观察,轻微松开中心连接螺旋,平移仪器(不可旋转仪器),使仪器精确对准侧站点。再拧紧中心连接螺旋,再次精平仪器。重复此项操作到仪器精确整平对中为止。
二、 角度测量
1、在主菜单中选择常规测量
2、在常规测量中选择1角度测量
3、根据现场情况选择HR(右角)或HL(左角)
4、对准第一目标
5、在距离测量窗口选择“测量”发射激光测量距离
6、在角度测量窗口选择置零将水平角归零
7、对准第二目标
8、读取水平角度
9、在距离测量窗口选择“测量”发射激光测量距离
10、 将仪器垂直旋转180度,将观测方式转换为盘右(如果开始测量时为盘右,则转换为盘左)
11、 再对准第二目标
12、 在角度测量窗口选择置零将水平角归零
13、 对准第一目标,读取水平角
14、 对一个测回得到了两个角度进行平均,得到平均水平角。
6. 南方测绘全站仪NTS342R6A使用说明书
学习古筝要先有浓厚的兴趣,兴趣是最好的教师,没有兴趣学什么都提不起精力,只会浪费时间。因而学古筝必定要本人发自内心的喜爱,那样才能学得更好。
了解古筝
古筝又名汉筝、秦筝、瑶筝、鸾筝,是中国汉民族传统乐器中的筝乐器,属于弹拨乐器。它是中国独特的、重要的民族乐器之一。它的音色优美,音域宽广、演奏技巧丰富,具有相当强的表现力,因此它深受广大人民群众的喜爱。
古筝的种类
古筝分低档古筝、中档古筝、高档古筝三种。
一、低档古筝是由普通木板做出框架,做工较粗躁,以花梨酸枝木贴皮,这种古筝声音较闷,弹不出古筝的韵味儿。
二、中档古筝琴是由花梨木酸枝木胡桃木做古筝的琴头琴尾,以及侧板,面板采用泡桐木,这种琴做工规范,弹出了古筝的韵味,但和中高档琴比音色要逊色很多。
中高档古筝是采用黑檀木老红木做古筝的琴头琴尾,以及侧板,面板采用泡桐木,这种材料做出的古筝音色清脆,韵味渐浓。
三、高档古筝做工严谨,选料精细,采用紫檀木血檀(雪檀)木做古筝的琴头琴尾,以及侧板,面板采用优质泡桐木。
近年雪檀已尽绝迹,紫檀也越来越少,这种材料做出的古筝音色纯正,颗粒性强,琴声韵味十足,余音较长,即余音绕梁乃三日不绝。
古筝分南北吗?
因为北方气候干燥,古筝使用中容易开裂,所以就流传出南筝、北筝的说法。
其实古筝是不分南北筝的,有些商家就是抓住了“古筝开裂”这一痛点,推出了南北筝这一概念。
古筝是不分南北的,也就是不分南北用琴。古筝核心面板都是泡桐木,泡桐木产自河南兰考,如果将河南产的面板拿回上海加工就成了南方古筝,拿回西安加工就成了北方古筝,这显然是说不通的。买古筝时最重要的是买适合自己的筝,且注意对其保养就行。
古筝琴弦
古筝是中国古老的民族乐器,距今已有两千五百多年的历史。
标准古筝有21根弦。从最细的弦到最粗的弦,依次编号为1~21。
最初的古筝,只有5根弦。经秦国著名将蒙恬改造后,古筝发展到12弦。在当时的历史条件下,应该说是对古筝成功的改革。12弦古筝延续使用了数百年,直到唐朝后期才出现了13弦古筝。
随着时代的发展,古筝的弦数也越来越多,音域也越来越宽。出现了16弦、18弦、19弦、21弦、23弦、25弦等,直到今天,发展成为通用的21弦。
筝身长1.63米的21弦古筝,被称为标准筝。筝弦,也由过去的丝,动物筋等生物性材料制作,改为现在的钢丝弦和尼龙缠弦。
随着筝弦的增加,筝的体积也在增大。发展到今天,已成为一种古朴典雅的民族乐器。
古筝基础知识
古筝的定义:弹拨弦鸣乐器。
一共有 21 根琴弦,包含 17 根弦和 4 根绿弦
1、琴弦:现多用尼龙缠弦,以不同型号的钢丝外面缠以尼龙丝制成的。
2、琴码(又称:雁柱):支撑琴弦,琴码的右侧为演奏区域,左侧为左手补韵的装饰音区域。
3、岳山:分为前岳山,后岳山,分别镶嵌在琴面板的首部和尾部。
4、面板:琴面略有弧度的木板。
5、调弦盒:内有弦轴,用于调音;琴盒内可以放指甲,琴扳手等物件。
认识SOL
认识简谱
简谱:简谱中用以表示音的高低及相互关系的基本符号为七个阿拉伯数字,即1、2、3、4、5、6、7,唱作do、re、mi、fa、sol、la、xi,称为唱名。
唱名:do re mi fa sol la xi
音名:C D E F G A B 这个就是用来记固定音高的符号。
在简谱中表达高低音一般会在上下两个方向添加小圆点。
中音是1234567那么低音表达就是在这些数字现面加一个小圆点,高音就是在数字上面加一点,上面加二个点为倍高音,加三个点为超高音。反之下面亦如此为倍低音、超低音等以此类推。
除了音的高低外,简谱还有一个重要的因素就是音的长短,简谱音的长短有多种表达方式,如基本的加小横线的方式。
如果还不太懂的朋友,可以看看古筝简谱入门课程,介绍的非常详细:https://www.bilibili.com/video/BV1xE411x7Wh/?spm_id_from=333.337.search-card.all.click
五声调音
古筝采用的是五声音节,由这五个音构成的调式是五声调式。所以古筝琴弦上没有4(fa)和7(si)。
琴弦排列分组
筝架和姿势
弹筝的姿势有多种,一般采用坐式,要求坐姿端正,精神饱满、动作自然。古代采用过盘式、跪式。
由于流派的不同,筝的放置位置、筝架、琴凳也不同。
有的用琴桌式筝架,有的用类似人字形的筝架,还有的就放在腿上演奏。
采用琴桌式筝架比较稳因、牢靠,琴桌的面板有助于筝的共鸣。琴桌的大小应适当,恰好放稳筝的四个角;筝与琴桌之间有一定的空隙,以便于出音;琴桌的高低适合放腿为宜。此外,琴桌的造型应美观大方。
如采用类似人字形折叠筝架,应注意筝体能放置平稳,避免演奏中摇晃。
如采用小筝放在腿上演奏,小筝筝头底部应加筝托,以防止上身过前倾,腿部不要挡住出音孔,琴凳不要过高,筝尾支架的高度应与琴凳高度相当或略高。琴凳离筝体要近,尤其弹奏宽大的、弦数多的筝,一般身体前侧距筝体大约有6厘米至10厘米,应坐在靠近前岳山的位置上,坐的高低位置,应以方便演奏,便充分发挥技巧为原则。身体离琴过远,将使右手演奏困难,影响对触弦的控制;离琴过近,左手按弦困难,右手拨弦不方便;坐的位置过高时,上身容易前倾;坐的位置过低时,容易紧张。
弹筝的姿势,一般采用坐式,演奏者坐的姿势应该是:两腿自然分开,上身端正,两臂和双手松弛而自然抬起,精神饱满,态度自然。在演奏时既不要驼背也不要过分挺胸;既不要拘紧,也不要松垮。切忌摇头晃脑、脚打拍子等坏毛病。
正确的演奏姿势是:右脚蹬在固定筝架的踏板上,头部略俯视,双手按乐曲开头的指法自然伸出,做好弹奏准备。
如何选择古筝
古筝的统一规格为:1.63米,21弦。一台古筝的音质取决于面板和琴弦,面板以阳面中段为最佳,阳面是指整株桐木置于水中,露出水面的一面为阳面,去头斩尾为中段,一般以9-12年树龄的桐木为最佳,尤以河南兰考的桐木为最佳,沙土地,木质疏松,利于音质的传导。
初学者在购买古筝的时候一般不知道如何选择,市场上售卖的有练习筝、演奏古筝两种。
练习筝的制作较为简单,一般都是不包边的,而演奏筝的工艺更复杂,也更精美。 同时,会因为木头的品质,和穿弦孔的工艺不同而导致音色和手感的不同。
演出筝对音色的要求更严格,音色要亮,所以价格一般比练习筝的价格贵。
古筝的结构说简单也简单,但是要让这简单的结构发出美妙的音乐就是技术活了。决定音色品质重要的部分是面板的等级,其次筝码、整体做工、制作工艺等,边板材质起到装饰古筝的作用,不建议作为选筝的重点。
古筝作为乐器其音色品质才是其价值的体现,而价值也是决定价格的原因,这也就是为什么古筝的价格会有如此大的差异。
我们选购古筝的时候首先要考虑古筝的音色问题,购买音色较好的古筝,如果是作为古筝学习者,练习筝也不要买太次的,那会影响自己的听力,和审美标准。
学习古筝
学戴义甲
大指:将义甲戴在指肚上,向指尖左上方斜出45度佩戴
食指、中指:将义甲戴在指肚上,顺指甲生长方向直戴
注意:佩戴时义甲不要挡住手指的关节;胶布的一半应覆盖在自己本身的指甲上。
选择指甲
古筝指甲首先要选择合适自身手指的长度,选择的指甲要和自己的手指第一节的长度相匹配,通常都是选择中号。指甲面选择宽点、上方尖点,不需要太厚的指甲面。古筝指甲材质很多,有塑料、树脂、玳瑁的,三种材质对比,玳瑁的比其它两种的好,对琴弦没有多大的磨损,但价格比较贵,塑料和树脂对琴弦的磨损就比较严重。
挑选玳瑁方法
1、强光照射法:把玳瑁放在太阳底下或者电筒光下投射,如果看见花纹、透明血丝状在甲片里,就是真品。伪劣产品呈现的血丝在甲面上是片状的,还有斑纹呆板或者团块状。
2、燃烧法:刮一点点的指甲点燃,或者用加热的针触碰指甲面,真品就会散发出烧焦头发的味道,伪劣产品是散发其它的味道,比如樟脑的味道、塑胶的味道、醋味等。
分辨琴弦
古筝的琴弦有21根弦,共有两种颜色,白色琴弦、绿色(或红色)琴弦。
绿色(或红色)琴弦都唱“5”(sol),共有四根绿色(或红色)琴弦,有粗有细,由细到粗,分别代表
高音5;中音5;低音5;倍低音5
第一根到第五根琴弦为倍低音,表示方法是在1、2、3、5、6下面加两个点;接下来五根弦是低音,在1、2、3、5、6,下面点一个点;在后面五根弦是中音区,1、2、3、5、6。接下来是高音区,五根弦1、2、3、5、6上方加一个点;最后一根为倍高音do,1上面加两个点。
练习古筝步骤
弹古筝,首先要保持正确的姿势。两只手的食指、中指、大指依次配戴好指甲,你可以买两卷医用胶带,一卷放手上保持手背的平直,另一卷用来配戴指甲。
眼睛平视乐谱,身体坐好,接下来开始古筝的练习。
佩戴指甲
弹奏古筝之前先要佩戴好指甲,指甲的大小应和手指第一关节差不多,戴在第一关节往上一点,胶布缠在第一关节中间,不要影响关节活动处,大指缠带方法与其他指不同,假指甲向内与指尖呈45度角,左右相对。
熟悉古筝音阶
音乐的七个基本音阶1(do)2(re)3(mi)4(fa)5(sol)6(la)7(si),古筝是五声音阶,没有4和7,只有1、2、3、5、6。
练习古筝指法
古筝演奏中常用到指法:勾、托、抹、劈、剔、挑、提、花指、摇指、琶音、泛音、按音、揉音、大撮、小撮、颤音、滑音等。
托-大拇指向外弹弦。
劈-大拇指向里弹弦。
抹-食指向里弹弦。
挑-食指向外弹弦。
勾-中指向里弹弦。
剔-中指向外弹弦。
提-无名指向里弹弦。
连托-大拇指向外连续弹弦。
连抹-食指向外连续弹弦。
大撮-大拇指向外,中指向里同时弹两弦。
小撮-大拇指向外,食指向里同时弹两弦。
双托-大拇指同时向外弹奏邻近的两弦。
双抹-食指同时向外弹奏邻近的两弦。
八度双托-大拇指向外弹奏邻近的两弦,同时中指在低八度另一音,三阴同时奏响。
摇指-大拇指连续托劈。
琶音-左手或右手用三个或四个手指按顺序弹奏不同的音。
泛音-左手食指在发音弦1/2处轻贴弦,右手弹弦发音。
花指-大拇指迅速连托数弦。
向上刮奏-在筝弦上由低音向高音的划奏。
向下刮奏-在筝弦上由高音向低音的划奏。
揉音或颤音-根据音乐的不同风格分类,是揉音类的,揉动较平和;是颤音类的,音波较密,也较有地方风格。
重颤音-用力较重的颤音。
按音-在弦上按出的音。
上滑音-右手弹弦后,左手按弦,使音由低向高滑动。
下滑音-左手先按弦,右手弹奏后逐渐松弦。
回滑音-右手弹弦之后,左手按弦使音由低向高又有高向低滑动数次。
左手点音-左手马子左侧先轻点或轻轻快速下滑。
下图是古筝指法符号对照表,在看古筝简谱的时候可以用到。
古筝的指法教程视频:
初学古筝的指法口诀:https://www.bilibili.com/video/BV1Et411v7pq/?spm_id_from=333.337.search-card.all.click
勾、托、抹、托指法:https://www.bilibili.com/video/BV1JT4y1N7nx/?spm_id_from=333.337.search-card.all.click
古筝指法抹、打:https://www.bilibili.com/video/BV1Di4y1174c/?spm_id_from=333.337.search-card.all.click
古筝指法大撮:https://www.bilibili.com/video/BV1Mi4y127Tt/?spm_id_from=333.337.search-card.all.click
练习曲子
曲子是一句一句,一段一段地练习的,练得多了自然就记住了,然后可以脱离琴谱练习。
代表曲目
古筝十大代表名曲有《渔舟唱晚》、《高山流水》、《寒鸦戏水》、《汉宫秋月》、《蕉窗夜雨》、《林冲夜奔》、《侗族舞曲》、《东海渔歌》、《香山射鼓》、《战台风》。
《渔舟唱晚》是传统的古筝独奏名曲。一般以为此曲是娄树华在20世纪三十年代中期,根据古曲《归去来辞》的素材改编而成。取自唐朝诗人王勃的名篇《滕玉阁序》中的佳名:“渔舟唱晚,响穷彭蠡之滨”。
《高山流水》,为中国十大古曲之一。此曲最早见于我国现存最早的琴曲集《神奇秘谱》。乐曲取中国古代著名的音乐故事“伯牙摔琴谢知音”为题材,表现一种“巍巍乎若高山,洋洋乎若江海”的境界。
《寒鸦戏水》寒鸦又名鸥鸟,这是一首有名的潮州筝曲,是潮洲弦诗《软套》十大曲中最富诗意的一首。
老师指导
学习古筝需要有一个好老师指导,古筝作为一种并不那么容易学成的乐器,单靠自学是很困难的,因此需要找一个好老师。专业的好老师保证你能学到规范的指法、技巧和乐曲处理,不至于走弯路。
业余爱好者自学时,虽然有入门教材的辅导,但是自学难免会遇到许多不懂的地方,这时候就需要专业的老师进行解答了。其实刚开始的时候可以看视频资源、与许多古筝专业者或爱好者交流,不懂时还可以提出问题,这样总比自己一个人探索有用得多。
古筝是一门入门容易精通难的乐器,尤其是业余爱好者没有人监督,就更容易放弃,所以坚持才能成功。
选择古筝老师需要注意以下几点:
1、口碑;
大家选择古筝老师的时候还是要非常注重口碑的,如果身边有周围的朋友在学习古筝,我们不妨参考一下朋友的意见,老师的口碑如果好了,一般教学质量都挺不错的。
2、要去试听课;
古筝课都是可以提前试听的,我们可以参加基础的试听课程,如果你认为老师讲的可以很轻易的听得懂,而且讲的有非常详细,老师人也比较好,那么就可以考虑选择这个老师。
3、学历;
老师的学历也是比较重要的,我们在选择老师的时候我可以咨询一下老师是哪里毕业的,如果老师是正规的音乐学校毕业的,那么他学习的知识会更加系统,在教我们的时候条理会特别清楚。
4、专业性。
学习古筝还是非常需要老师的专业性的,老师水平比较高,比较专业,那么我们的学习质量也会更加的高。
自学选择教材
1、《古筝基础教程》
这本书分为古筝入门、古筝技法、古筝曲三个部分,是结合理论和实际的基础教材。
2、《古筝入门》
这本书介绍古筝由易到难,循序渐进,介绍的比较详细,里面附带很多筝曲。
3、《从零起步学古筝》
遵循从易及难的原则,从古筝最基本的指法讲起,每种指法配以相应的练习曲和乐曲。
我们学习的时候先学习基础知识,理论知识学会后可以在网上多看些古筝的教程,特别的视频教程,可以在哔哩哔哩上选择适合自己的配合教材学习。
不过刚开始学习还是不建议自学,毕竟我们对古筝琴音没用正确的认知,非常容易走入误区,只有在老师的带领下,感受到老师正确的琴音,才能慢慢培养认知,这个是教材和视频代替不了的。
古筝考级
古筝考级分为1-10级,其中1-4级为初级,5-7级为中级,8-10级为高级,高级需要加考乐理。
按有关规定,古筝考级一般是从一级到十级,由低到高逐级考评,但由于考级工作一般都是每年进行一次,而学古筝的每个人学习情况不同,因此可跳级报考,如果古筝学习的比较好,可以直接报考六级考试。
六级考试属于中等偏上的等级考试,考试相对简单,7级开始考试难度会增加很多。
所以刚开始考级的时候建议选择古筝六级考试,下面给大家介绍一些六级考试曲目。
古筝六级曲目有哪些
古筝考级六级曲目一般包括《高山流水》、《柳青娘》 、《出水莲》、《崖山哀》、《庆丰年》 、《闹元宵》 、《山丹丹开花红艳艳》等,根据考级版本不同可能略有区别,例如有音协考级、中央音乐学院考级、民族管弦学会考级等, 每个版本曲目和练习曲要求都不同。
考级的时候需要演奏两首同一级别的曲目,六级曲目中高山流水、庆丰年 、出水莲为必选曲目。六级考试的要求是加强各种音色变化、控制力的训练,并进行一些特殊定弦乐曲的练习,演奏上必须按照其指法特点,应强调力度与音色的对比、演奏的投入及较好的音乐表现力。
调音器怎么用
古筝和吉他、钢琴等乐器一样都是需要调音的,最简单的方法就是使用调音器进行调音,具体的方法如下:
1、首先把调音器的电池装好,长按中间的开关打开调音器。
2、按开关键把屏幕左下角的字换成“自动”,按“M/T”键把屏幕右下角的字换成“古筝D”。
3、按上三角符号和下三角符号把左上角的数字换成“=440”。
4、把夹子夹到要调的那根弦的附近,这样更能使调音器取到音。
5、用古筝指甲拨要调的那根弦,看调音器屏幕上的数字,如果显示的数字比调的弦大,就说明太松了,如果数字比调的弦小,就说明太紧了,用调音扳手重新调整。
6、当屏幕上的数值是所调的弦的数值,还要看调音器最上端的三个指示灯,如果左边的红灯亮了,就说明有点偏紧了,如果右边的红灯亮了,就说明有点偏松了,如果绿灯亮,就说明这条弦已经调好。
日常保养方法
一般情况下,相对湿度在50%-70%之间的空间内使用古筝对筝的振动和发音都比较有利,湿度低于50%容易引发筝体表面及底板开裂,而湿度高于70%则易使面板吸潮,导致声音发闷、余音减短、音色发暗。
1、古筝在使用时应轻拿轻放,避免碰撞或剧烈震动。
2、若在北方地区使用古筝,在琴下放一盆水,增加空气湿度,防止开裂。冬季时古筝不能靠近散热的暖气片,以免出现曝烈或变形的情况。
3、古筝使用后可用干软布拭去琴弦上的汗渍,以防琴弦生锈,不用时要以筝罩盖好;
4、古筝应经常使用,这有利于琴弦张力的稳定,也鞥促进音色;
5、一旦发现琴音不准时应及时调音;
6、长时间不用古筝,只要防潮、防晒、防灰即可,不可将其放在地上或挂在潮湿的墙上。湿气较重时,将古筝放入盒内,并在盒内放入干燥剂。
%3Chowto_content%3E[{"type":"paragraph","attrs":{"is_abstract":true},"children":[{"type":"text","text":"学习古筝要先有浓厚的兴趣,兴趣是最好的教师,没有兴趣学什么都提不起精力,只会浪费时间。因而学古筝必定要本人发自内心的喜爱,那样才能学得更好。","id":""}],"text":"","id":"doxcnThcBtJQVJZshyVBuvIVMOR"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"了解古筝","id":""}],"text":"","id":"doxcnQw1KJTRGcLdzTvikzc9xzb"},{"type":"paragraph","children":[{"type":"text","text":"古筝又名汉筝、秦筝、瑶筝、鸾筝,是中国汉民族传统乐器中的筝乐器,属于弹拨乐器。它是中国独特的、重要的民族乐器之一。它的音色优美,音域宽广、演奏技巧丰富,具有相当强的表现力,因此它深受广大人民群众的喜爱。","id":""}],"text":"","id":"doxcns6Nf4HbWoObgwwHxPUtxvc"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"古筝的种类","id":""}],"text":"","id":"doxcnK0TPd349egWFUlZQrj2GTf"},{"type":"paragraph","children":[{"type":"text","text":"古筝分低档古筝、中档古筝、高档古筝三种。","id":""}],"text":"","id":"doxcnJDTR7tNE2kPtPDmcqSJWxg"},{"type":"paragraph","children":[{"type":"text","text":"一、低档古筝是由普通木板做出框架,做工较粗躁,以花梨酸枝木贴皮,这种古筝声音较闷,弹不出古筝的韵味儿。","id":""}],"text":"","id":"doxcnjQcVZioKmE8vx26cLrH4B1"},{"type":"paragraph","children":[{"type":"text","text":"二、中档古筝琴是由花梨木酸枝木胡桃木做古筝的琴头琴尾,以及侧板,面板采用泡桐木,这种琴做工规范,弹出了古筝的韵味,但和中高档琴比音色要逊色很多。","id":""}],"text":"","id":"doxcnkbTlOiNY3PDReKKjCtSHdb"},{"type":"paragraph","children":[{"type":"text","text":"中高档古筝是采用黑檀木老红木做古筝的琴头琴尾,以及侧板,面板采用泡桐木,这种材料做出的古筝音色清脆,韵味渐浓。","id":""}],"text":"","id":"doxcnUqKC3hvSqVmX7S9Flp3kld"},{"type":"paragraph","children":[{"type":"text","text":"三、高档古筝做工严谨,选料精细,采用紫檀木血檀(雪檀)木做古筝的琴头琴尾,以及侧板,面板采用优质泡桐木。","id":""}],"text":"","id":"doxcngBjRYkpflX4QFcI83fLv3b"},{"type":"paragraph","children":[{"type":"text","text":"近年雪檀已尽绝迹,紫檀也越来越少,这种材料做出的古筝音色纯正,颗粒性强,琴声韵味十足,余音较长,即余音绕梁乃三日不绝。","id":""}],"text":"","id":"doxcnnMINqzcfM06jf9g2Qp1R4b"},{"type":"paragraph","children":[{"type":"text","text":"古筝分南北吗?","id":""}],"text":"","id":"doxcngK6Qcr1x7c5uZD8In8FIzf"},{"type":"paragraph","children":[{"type":"text","text":"因为北方气候干燥,古筝使用中容易开裂,所以就流传出南筝、北筝的说法。","id":""}],"text":"","id":"doxcnfxyA9gmGHaHXLakgZxvucc"},{"type":"paragraph","children":[{"type":"text","text":"其实古筝是不分南北筝的,有些商家就是抓住了“古筝开裂”这一痛点,推出了南北筝这一概念。","id":""}],"text":"","id":"doxcnLLbh8HDXloANJBQaAd9pKd"},{"type":"paragraph","children":[{"type":"text","text":"古筝是不分南北的,也就是不分南北用琴。古筝核心面板都是泡桐木,泡桐木产自河南兰考,如果将河南产的面板拿回上海加工就成了南方古筝,拿回西安加工就成了北方古筝,这显然是说不通的。买古筝时最重要的是买适合自己的筝,且注意对其保养就行。","id":""}],"text":"","id":"doxcnIVOz1BZwN2QlX9xknQV4uf"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"古筝琴弦","id":""}],"text":"","id":"doxcnnGOcemoOMHBGRpm7rErw5b"},{"type":"paragraph","children":[{"type":"text","text":"古筝是中国古老的民族乐器,距今已有两千五百多年的历史。","id":""}],"text":"","id":"doxcnC2eMexW38cn941XortmNdb"},{"type":"paragraph","children":[{"type":"text","text":"标准古筝有21根弦。从最细的弦到最粗的弦,依次编号为1~21。","id":""}],"text":"","id":"doxcn7XLMCZVKfIfNEEerGVF06c"},{"type":"image","attrs":{"height":517,"note":[{"type":"text","text":"古筝琴弦","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/611e1e1da9f14bd0ad711589c66ce0d1","width":787},"text":"","id":"Ow4YdqYwAo6KiYxgFobcS0dGnzc"},{"type":"paragraph","children":[{"type":"text","text":"最初的古筝,只有5根弦。经秦国著名将蒙恬改造后,古筝发展到12弦。在当时的历史条件下,应该说是对古筝成功的改革。12弦古筝延续使用了数百年,直到唐朝后期才出现了13弦古筝。","id":""}],"text":"","id":"doxcnIB5FfoJjrW2hyoA1UT7cSO"},{"type":"paragraph","children":[{"type":"text","text":"随着时代的发展,古筝的弦数也越来越多,音域也越来越宽。出现了16弦、18弦、19弦、21弦、23弦、25弦等,直到今天,发展成为通用的21弦。","id":""}],"text":"","id":"doxcnxTKvwnopPS3kTMwOz6ri6B"},{"type":"paragraph","children":[{"type":"text","text":"筝身长1.63米的21弦古筝,被称为标准筝。筝弦,也由过去的丝,动物筋等生物性材料制作,改为现在的钢丝弦和尼龙缠弦。","id":""}],"text":"","id":"doxcn3qDojrrI0C6AD2LPLQFsug"},{"type":"paragraph","children":[{"type":"text","text":"随着筝弦的增加,筝的体积也在增大。发展到今天,已成为一种古朴典雅的民族乐器。","id":""}],"text":"","id":"doxcnj9kKRDMJitChIhDmcfYeMh"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"古筝基础知识","id":""}],"text":"","id":"doxcnEkTQnFRqlGnOczcMbP0Rtc"},{"type":"paragraph","children":[{"type":"text","text":"古筝的定义:弹拨弦鸣乐器。","id":""}],"text":"","id":"doxcnO69wvI08hNv5tTT987Qc2g"},{"type":"paragraph","children":[{"type":"text","text":"一共有 21 根琴弦,包含 17 根弦和 4 根绿弦","id":""}],"text":"","id":"doxcn6Ke7yDloHxTGDCMFgGOjmc"},{"type":"image","attrs":{"height":405,"note":[{"type":"text","text":"古筝基础知识","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/32ecb8e372f74362a36c76b29d204027","width":855},"text":"","id":"doxcnPxds12rs0q6T64eZohEvJe"},{"type":"paragraph","children":[{"type":"text","text":"1、琴弦:现多用尼龙缠弦,以不同型号的钢丝外面缠以尼龙丝制成的。","id":""}],"text":"","id":"doxcnLhvHCRmtCCyi9u2OzJsQRc"},{"type":"paragraph","children":[{"type":"text","text":"2、琴码(又称:雁柱):支撑琴弦,琴码的右侧为演奏区域,左侧为左手补韵的装饰音区域。","id":""}],"text":"","id":"doxcnebiW17uNfd3qOXpxwz9aNh"},{"type":"paragraph","children":[{"type":"text","text":"3、岳山:分为前岳山,后岳山,分别镶嵌在琴面板的首部和尾部。","id":""}],"text":"","id":"doxcnoGRczOu01i9pUPS1qyv7fd"},{"type":"paragraph","children":[{"type":"text","text":"4、面板:琴面略有弧度的木板。","id":""}],"text":"","id":"doxcnnFOcvzuB5PomZMgJ6VFyRd"},{"type":"paragraph","children":[{"type":"text","text":"5、调弦盒:内有弦轴,用于调音;琴盒内可以放指甲,琴扳手等物件。","id":""}],"text":"","id":"doxcnMqX38iYXlyDd6jZKpzF95f"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"认识SOL","id":""}],"text":"","id":"doxcnmcmvBqCeJ5uRPZDCclU3sc"},{"type":"image","attrs":{"height":258,"note":[{"type":"text","text":"认识SOL","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/ad3cea5d3a234ccd8b6fb86da86b1e0d","width":865},"text":"","id":"doxcnwdVVgi6f89ebqDMpmIO4xb"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"认识简谱","id":""}],"text":"","id":"doxcnM6HletNR6Tf4vAn0JZtrQd"},{"type":"paragraph","children":[{"type":"text","text":"简谱:简谱中用以表示音的高低及相互关系的基本符号为七个阿拉伯数字,即1、2、3、4、5、6、7,唱作do、re、mi、fa、sol、la、xi,称为唱名。","id":""}],"text":"","id":"doxcn9ubgQbB7XqnTabQfQVM8Vh"},{"type":"paragraph","children":[{"type":"text","text":"唱名:do re mi fa sol la xi","id":""}],"text":"","id":"doxcnKkv6HMUyaYCIrqvAkdHvWh"},{"type":"paragraph","children":[{"type":"text","text":"音名:C D E F G A B 这个就是用来记固定音高的符号。","id":""}],"text":"","id":"doxcnf3xQg1Vv6ra1wB1leMzaWd"},{"type":"paragraph","children":[{"type":"text","text":"在简谱中表达高低音一般会在上下两个方向添加小圆点。","id":""}],"text":"","id":"doxcnyLGrF2q4imAlizE0kXqRRe"},{"type":"paragraph","children":[{"type":"text","text":"中音是1234567那么低音表达就是在这些数字现面加一个小圆点,高音就是在数字上面加一点,上面加二个点为倍高音,加三个点为超高音。反之下面亦如此为倍低音、超低音等以此类推。","id":""}],"text":"","id":"doxcnRvS7As8B2Yh3qmqkbbqJcc"},{"type":"image","attrs":{"height":172,"note":[{"type":"text","text":"认识简谱","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/1bd3df213e034522879a38b06dc7242e","width":620},"text":"","id":"doxcnARFseTazLW1CPdXYuSClCg"},{"type":"paragraph","children":[{"type":"text","text":"除了音的高低外,简谱还有一个重要的因素就是音的长短,简谱音的长短有多种表达方式,如基本的加小横线的方式。","id":""}],"text":"","id":"doxcngP3Muo0CfD4jhYT2TCL6jc"},{"type":"image","attrs":{"height":168,"note":[{"type":"text","text":"认识简谱","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/57e4cb7397a74e1ab003484addbf241d","width":682},"text":"","id":"doxcniBd3RUc66m7JlQpPIpOd9d"},{"type":"paragraph","children":[{"type":"text","text":"如果还不太懂的朋友,可以看看古筝简谱入门课程,介绍的非常详细:","id":""},{"type":"external_link","attrs":{"url":"https://www.bilibili.com/video/BV1xE411x7Wh/?spm_id_from=333.337.search-card.all.click"},"children":[{"type":"text","text":"https://www.bilibili.com/video/BV1xE411x7Wh/?spm_id_from=333.337.search-card.all.click","id":""}],"text":"","id":""}],"text":"","id":"doxcnrA1PZQrzn5QZuWk9ZK4u5f"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"五声调音","id":""}],"text":"","id":"doxcnOlixyE6HWdg7ZLLOCROzpd"},{"type":"paragraph","children":[{"type":"text","text":"古筝采用的是五声音节,由这五个音构成的调式是五声调式。所以古筝琴弦上没有4(fa)和7(si)。","id":""}],"text":"","id":"doxcnS4EwTQHPYGrBPpAMtJAQfh"},{"type":"image","attrs":{"height":552,"note":[{"type":"text","text":"五声调音","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/e95deae42a5c414481f9424fefb658a7","width":953},"text":"","id":"doxcnQlQz1K3gkj4crUiQMQqLqd"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcnhRIsmChNoPcfqZ4cTtZT0c"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"琴弦排列分组","id":""}],"text":"","id":"doxcnm8ABQATN5Oa7T85qsKNMVp"},{"type":"imageList","children":[{"type":"image","attrs":{"height":614,"note":[{"type":"text","text":"琴弦排列分组","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/54f070edcdde4a48a7f18d9e380f1d25","width":811},"text":"","id":"doxcnCFRAcYQ5SNdysPjhvH1gKe"},{"type":"image","attrs":{"height":671,"note":[{"type":"text","text":"琴弦排列分组","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/eb1ff4f8f425410a8552882bcb609918","width":793},"text":"","id":"doxcnHPiY4d9g3BDr0VNQp73hJg"}],"text":"","id":"doxcnr1DRsBk1z4jsyyONflktxb"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"筝架和姿势","id":""}],"text":"","id":"doxcnr1DRsBk1z4jsyyONflktxb"},{"type":"paragraph","children":[{"type":"text","text":"弹筝的姿势有多种,一般采用坐式,要求坐姿端正,精神饱满、动作自然。古代采用过盘式、跪式。","id":""}],"text":"","id":"doxcnREUgOca3qbgUV5ZbMuOdVd"},{"type":"paragraph","children":[{"type":"text","text":"由于流派的不同,筝的放置位置、筝架、琴凳也不同。","id":""}],"text":"","id":"doxcnBmh4j33D8hNkpPiFkjriZc"},{"type":"paragraph","children":[{"type":"text","text":"有的用琴桌式筝架,有的用类似人字形的筝架,还有的就放在腿上演奏。","id":""}],"text":"","id":"doxcnIQdJG2fBXUcZDP1hf8UEXe"},{"type":"paragraph","children":[{"type":"text","text":"采用琴桌式筝架比较稳因、牢靠,琴桌的面板有助于筝的共鸣。琴桌的大小应适当,恰好放稳筝的四个角;筝与琴桌之间有一定的空隙,以便于出音;琴桌的高低适合放腿为宜。此外,琴桌的造型应美观大方。","id":""}],"text":"","id":"doxcnyLtVZMdQrAgKqoux4AwyZf"},{"type":"image","attrs":{"height":518,"note":[{"type":"text","text":"筝架和姿势","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/4e67828fe0364ef3bbd24b0bfa9eede0","width":636},"text":"","id":"doxcnZ9kcnKVHZYJDsk8MC9bjgc"},{"type":"paragraph","children":[{"type":"text","text":"如采用类似人字形折叠筝架,应注意筝体能放置平稳,避免演奏中摇晃。","id":""}],"text":"","id":"doxcnKnxcFgUazMTtLecG1b4iSh"},{"type":"image","attrs":{"height":597,"note":[{"type":"text","text":"筝架和姿势","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/6f47db23d27b4d6f97ca6201cb447e43","width":579},"text":"","id":"doxcnEtTq8hCXFeTy5NlTYr8Ovb"},{"type":"paragraph","children":[{"type":"text","text":"如采用小筝放在腿上演奏,小筝筝头底部应加筝托,以防止上身过前倾,腿部不要挡住出音孔,琴凳不要过高,筝尾支架的高度应与琴凳高度相当或略高。琴凳离筝体要近,尤其弹奏宽大的、弦数多的筝,一般身体前侧距筝体大约有6厘米至10厘米,应坐在靠近前岳山的位置上,坐的高低位置,应以方便演奏,便充分发挥技巧为原则。身体离琴过远,将使右手演奏困难,影响对触弦的控制;离琴过近,左手按弦困难,右手拨弦不方便;坐的位置过高时,上身容易前倾;坐的位置过低时,容易紧张。 ","id":""}],"text":"","id":"doxcnJ72x26XDYKqrqjluOXz0Of"},{"type":"image","attrs":{"height":741,"note":[{"type":"text","text":"筝架和姿势","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/6343b797492c42b6a9e3db914cc42629","width":733},"text":"","id":"doxcnY5NyS4gBIbPfD22aPu2tYb"},{"type":"paragraph","children":[{"type":"text","text":"弹筝的姿势,一般采用坐式,演奏者坐的姿势应该是:两腿自然分开,上身端正,两臂和双手松弛而自然抬起,精神饱满,态度自然。在演奏时既不要驼背也不要过分挺胸;既不要拘紧,也不要松垮。切忌摇头晃脑、脚打拍子等坏毛病。 ","id":""}],"text":"","id":"doxcnTrET54OoGE7lmLuSxfxGbh"},{"type":"paragraph","children":[{"type":"text","text":"正确的演奏姿势是:右脚蹬在固定筝架的踏板上,头部略俯视,双手按乐曲开头的指法自然伸出,做好弹奏准备。","id":""}],"text":"","id":"doxcnyO0gYGDPqrDfGpe4b0tr8f"},{"type":"image","attrs":{"height":476,"note":[{"type":"text","text":"筝架和姿势","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/4ba0a6675b1e4273b003f78d05b5e692","width":781},"text":"","id":"doxcnmJSVbJe6m22VgWgf7F0z1d"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"如何选择古筝","id":""}],"text":"","id":"doxcna8e9Rej7iIgvEVeEnrxd1x"},{"type":"paragraph","children":[{"type":"text","text":"古筝的统一规格为:1.63米,21弦。一台古筝的音质取决于面板和琴弦,面板以阳面中段为最佳,阳面是指整株桐木置于水中,露出水面的一面为阳面,去头斩尾为中段,一般以9-12年树龄的桐木为最佳,尤以河南兰考的桐木为最佳,沙土地,木质疏松,利于音质的传导。","id":""}],"text":"","id":"doxcnayGq0iXSJWAoCStOYz9Q8f"},{"type":"image","attrs":{"height":456,"note":[{"type":"text","text":"如何选择古筝","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/d7a59942143541058ca0df55948289bd","width":600},"text":"","id":"doxcniIxJhV6el0UZoV6zJutcdc"},{"type":"paragraph","children":[{"type":"text","text":"初学者在购买古筝的时候一般不知道如何选择,市场上售卖的有练习筝、演奏古筝两种。","id":""}],"text":"","id":"doxcnzO3O9NAQIXEMNWgQ0ECjDw"},{"type":"paragraph","children":[{"type":"text","text":"练习筝的制作较为简单,一般都是不包边的,而演奏筝的工艺更复杂,也更精美。 同时,会因为木头的品质,和穿弦孔的工艺不同而导致音色和手感的不同。","id":""}],"text":"","id":"doxcn3cPsazbjr1MeJHQ6rrGCzg"},{"type":"paragraph","children":[{"type":"text","text":"演出筝对音色的要求更严格,音色要亮,所以价格一般比练习筝的价格贵。","id":""}],"text":"","id":"doxcneoLGT23unHni8LFeBD92Vb"},{"type":"paragraph","children":[{"type":"text","text":"古筝的结构说简单也简单,但是要让这简单的结构发出美妙的音乐就是技术活了。决定音色品质重要的部分是面板的等级,其次筝码、整体做工、制作工艺等,边板材质起到装饰古筝的作用,不建议作为选筝的重点。","id":""}],"text":"","id":"doxcnPr0IRjyLW4UXgH2SZlIMub"},{"type":"paragraph","children":[{"type":"text","text":"古筝作为乐器其音色品质才是其价值的体现,而价值也是决定价格的原因,这也就是为什么古筝的价格会有如此大的差异。","id":""}],"text":"","id":"doxcnLDqJ97voY5dAPP1qKXDjwf"},{"type":"paragraph","children":[{"type":"text","text":"我们选购古筝的时候首先要考虑古筝的音色问题,购买音色较好的古筝,如果是作为古筝学习者,练习筝也不要买太次的,那会影响自己的听力,和审美标准。","id":""}],"text":"","id":"doxcnp1CCfpIARRLhLYpantzocb"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"学习古筝","id":""}],"text":"","id":"doxcneeR71UjapnRpDVhDPdTEHg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"学戴义甲","id":""}],"text":"","id":"doxcnmadAt5rST2YM6uCIk9XSvf"},{"type":"paragraph","children":[{"type":"text","text":"大指:将义甲戴在指肚上,向指尖左上方斜出45度佩戴","id":""}],"text":"","id":"doxcnkjyLssLEVsSWLfvxFww2cd"},{"type":"image","attrs":{"height":112,"note":[{"type":"text","text":"学戴义甲","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/43d629ac0e5e43cbb48e8691aa9fe468","width":136},"text":"","id":"doxcnahkqc28S44RaLzxratzwl7"},{"type":"paragraph","children":[{"type":"text","text":"食指、中指:将义甲戴在指肚上,顺指甲生长方向直戴","id":""}],"text":"","id":"doxcnIcYykvHMd3NkTIKRWdIefb"},{"type":"image","attrs":{"height":112,"note":[{"type":"text","text":"学戴义甲","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/83ff82d0a9db415f8576e2bd9cedadc0","width":136},"text":"","id":"doxcn9PzUO5fRoDicR1SP7Ggz7S"},{"type":"paragraph","children":[{"type":"text","text":"注意:佩戴时义甲不要挡住手指的关节;胶布的一半应覆盖在自己本身的指甲上。","id":""}],"text":"","id":"doxcn4u5Gjr8yqvSy3c6MAHRNvd"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"选择指甲","id":""}],"text":"","id":"doxcnTgiFOuseNgyeBW5P9rdRRf"},{"type":"paragraph","children":[{"type":"text","text":"古筝指甲首先要选择合适自身手指的长度,选择的指甲要和自己的手指第一节的长度相匹配,通常都是选择中号。指甲面选择宽点、上方尖点,不需要太厚的指甲面。古筝指甲材质很多,有塑料、树脂、玳瑁的,三种材质对比,玳瑁的比其它两种的好,对琴弦没有多大的磨损,但价格比较贵,塑料和树脂对琴弦的磨损就比较严重。","id":""}],"text":"","id":"doxcnONgbt5mHf7BN4eW4phFOPh"},{"type":"image","attrs":{"height":333,"note":[{"type":"text","text":"选择指甲","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/e5d3778ee8d54b2fbc7b0ad55fed7ee5","width":500},"text":"","id":"doxcnyJNv3tc0p4myR0641jlpVz"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"挑选玳瑁方法","id":""}],"text":"","id":"doxcnzKBkEvgRb3wpmoK8Js5htc"},{"type":"paragraph","children":[{"type":"text","text":"1、强光照射法:把玳瑁放在太阳底下或者电筒光下投射,如果看见花纹、透明血丝状在甲片里,就是真品。伪劣产品呈现的血丝在甲面上是片状的,还有斑纹呆板或者团块状。","id":""}],"text":"","id":"doxcnbJI20wsPZ8alEdwigyKSCf"},{"type":"paragraph","children":[{"type":"text","text":"2、燃烧法:刮一点点的指甲点燃,或者用加热的针触碰指甲面,真品就会散发出烧焦头发的味道,伪劣产品是散发其它的味道,比如樟脑的味道、塑胶的味道、醋味等。","id":""}],"text":"","id":"doxcnXKPvUBflzuvBMyIm9oCrAg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"分辨琴弦","id":""}],"text":"","id":"doxcnVLsyLWpStEaSooi5xu8o6b"},{"type":"paragraph","children":[{"type":"text","text":"古筝的琴弦有21根弦,共有两种颜色,白色琴弦、绿色(或红色)琴弦。","id":""}],"text":"","id":"doxcnaoxj01Ly3kxxMGRoNhynYg"},{"type":"image","attrs":{"height":518,"note":[{"type":"text","text":"分辨琴弦","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/7771b9d41c9146a09eb9abe7b39b1417","width":627},"text":"","id":"doxcn0mN3E1TXxtQbiQroqgjnug"},{"type":"paragraph","children":[{"type":"text","text":"绿色(或红色)琴弦都唱“5”(sol),共有四根绿色(或红色)琴弦,有粗有细,由细到粗,分别代表","id":""}],"text":"","id":"doxcniRJJIU21XedklPIYQZRwqf"},{"type":"image","attrs":{"height":34,"note":[{"type":"text","text":"分辨琴弦","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/25e454b31057463189e49323b4077435","width":138},"text":"","id":"doxcnsqPE3pjNjw7qpleIUO7deK"},{"type":"paragraph","children":[{"type":"text","text":"高音5;中音5;低音5;倍低音5","id":""}],"text":"","id":"doxcnIsgOoTff9ojgn1tW1Fy7Dg"},{"type":"paragraph","children":[{"type":"text","text":"第一根到第五根琴弦为倍低音,表示方法是在1、2、3、5、6下面加两个点;接下来五根弦是低音,在1、2、3、5、6,下面点一个点;在后面五根弦是中音区,1、2、3、5、6。接下来是高音区,五根弦1、2、3、5、6上方加一个点;最后一根为倍高音do,1上面加两个点。","id":""}],"text":"","id":"doxcne6L76DbcNImrSgZDUBb7gc"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"练习古筝步骤","id":""}],"text":"","id":"doxcnDfF1rVmdSP9hgucJt8WkAe"},{"type":"paragraph","children":[{"type":"text","text":"弹古筝,首先要保持正确的姿势。两只手的食指、中指、大指依次配戴好指甲,你可以买两卷医用胶带,一卷放手上保持手背的平直,另一卷用来配戴指甲。","id":""}],"text":"","id":"doxcnhsczy0Xfm3OFukPQjWZ8jE"},{"type":"paragraph","children":[{"type":"text","text":"眼睛平视乐谱,身体坐好,接下来开始古筝的练习。","id":""}],"text":"","id":"doxcnzo5FyGk7zMK30COf6qZATg"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"佩戴指甲","id":""}],"text":"","id":"doxcn7NCT7QLwLN8y5he8ji2VBc"},{"type":"paragrap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","id":""}],"text":"","id":"doxcnXWQcpbuiTP6TZtKfOr2EVg"},{"type":"paragraph","children":[{"type":"text","text":"劈-大拇指向里弹弦。","id":""}],"text":"","id":"doxcnprn9v8WZZeZj1RBDhXcS9g"},{"type":"paragraph","children":[{"type":"text","text":"抹-食指向里弹弦。 ","id":""}],"text":"","id":"doxcn7eEsoyZBMVeAzs3btxIzvb"},{"type":"paragraph","children":[{"type":"text","text":"挑-食指向外弹弦。 ","id":""}],"text":"","id":"doxcn2Mt22kCoP6VAU7G28TFERc"},{"type":"paragraph","children":[{"type":"text","text":"勾-中指向里弹弦。 ","id":""}],"text":"","id":"doxcnjMNRIYxUBnl660Vvlpc3Bb"},{"type":"paragraph","children":[{"type":"text","text":"剔-中指向外弹弦。 ","id":""}],"text":"","id":"doxcnK3c5OAfLTWfCHuXOpIFqPj"},{"type":"paragraph","children":[{"type":"text","text":"提-无名指向里弹弦。 ","id":""}],"text":"","id":"doxcnWPnIq42eoc1XaquwKS3y8b"},{"type":"paragraph","children":[{"type":"text","text":"连托-大拇指向外连续弹弦。 ","id":""}],"text":"","id":"doxcn00LmcdbYd2QcgYVXzQNthg"},{"type":"paragraph","children":[{"type":"text","text":"连抹-食指向外连续弹弦。 ","id":""}],"text":"","id":"doxcnJbJgqSwOjMay08SJmnC2Nn"},{"type":"paragraph","children":[{"type":"text","text":"大撮-大拇指向外,中指向里同时弹两弦。 ","id":""}],"text":"","id":"doxcnecSamhQPsw1L4ZPO9igwQd"},{"type":"paragraph","children":[{"type":"text","text":"小撮-大拇指向外,食指向里同时弹两弦。 ","id":""}],"text":"","id":"doxcncNCrqkMEyTTZFByH9Ndg1e"},{"type":"paragraph","children":[{"type":"text","text":"双托-大拇指同时向外弹奏邻近的两弦。 ","id":""}],"text":"","id":"doxcn4GG5Ts7Q765JYXKmh7Cr1e"},{"type":"paragraph","children":[{"type":"text","text":"双抹-食指同时向外弹奏邻近的两弦。 ","id":""}],"text":"","id":"doxcnXxvRBxQeTN3YMAwG5d1fxi"},{"type":"paragraph","children":[{"type":"text","text":"八度双托-大拇指向外弹奏邻近的两弦,同时中指在低八度另一音,三阴同时奏响。 ","id":""}],"text":"","id":"doxcn7bn83XZbe5iOoECAxpJs2b"},{"type":"paragraph","children":[{"type":"text","text":"摇指-大拇指连续托劈。 ","id":""}],"text":"","id":"doxcn3zeqB1xFQCRRLMjmFbawih"},{"type":"paragraph","children":[{"type":"text","text":"琶音-左手或右手用三个或四个手指按顺序弹奏不同的音。 ","id":""}],"text":"","id":"doxcn0kbQKPu00HcC2z41kmM90c"},{"type":"paragraph","children":[{"type":"text","text":"泛音-左手食指在发音弦1/2处轻贴弦,右手弹弦发音。 ","id":""}],"text":"","id":"doxcn904ndkJSH5oAVYUbG3W5dd"},{"type":"paragraph","children":[{"type":"text","text":"花指-大拇指迅速连托数弦。 ","id":""}],"text":"","id":"doxcna91vsPbJluU62SzsLJ2Ng5"},{"type":"paragraph","children":[{"type":"text","text":"向上刮奏-在筝弦上由低音向高音的划奏。 ","id":""}],"text":"","id":"doxcnbU0J4eheTbFAgYvoQBGxEg"},{"type":"paragraph","children":[{"type":"text","text":"向下刮奏-在筝弦上由高音向低音的划奏。","id":""}],"text":"","id":"doxcng0rbXRvaRxJh65VbL75zGf"},{"type":"paragraph","children":[{"type":"text","text":"揉音或颤音-根据音乐的不同风格分类,是揉音类的,揉动较平和;是颤音类的,音波较密,也较有地方风格。 ","id":""}],"text":"","id":"doxcnLuyjIHJlmLzAhge205xCyg"},{"type":"paragraph","children":[{"type":"text","text":"重颤音-用力较重的颤音。 ","id":""}],"text":"","id":"doxcnJzF5wIwMuviB6Jw4Vv2MQb"},{"type":"paragraph","children":[{"type":"text","text":"按音-在弦上按出的音。 ","id":""}],"text":"","id":"doxcnxafBVc1Brf9BSbtfvyN3Kh"},{"type":"paragraph","children":[{"type":"text","text":"上滑音-右手弹弦后,左手按弦,使音由低向高滑动。","id":""}],"text":"","id":"doxcnGqn5XPnTm4vV7Rk1piXkhO"},{"type":"paragraph","children":[{"type":"text","text":"下滑音-左手先按弦,右手弹奏后逐渐松弦。 ","id":""}],"text":"","id":"doxcnUQqRZBB3YGanHnheIbbhKc"},{"type":"paragraph","children":[{"type":"text","text":"回滑音-右手弹弦之后,左手按弦使音由低向高又有高向低滑动数次。 ","id":""}],"text":"","id":"doxcnpgtuwT8enewxVAjdC7mqWn"},{"type":"paragraph","children":[{"type":"text","text":"左手点音-左手马子左侧先轻点或轻轻快速下滑。","id":""}],"text":"","id":"doxcnNYrwQajhu6Db3QUYOpzLZc"},{"type":"paragraph","children":[{"type":"text","text":"下图是古筝指法符号对照表,在看古筝简谱的时候可以用到。","id":""}],"text":"","id":"doxcnWvzqBzRh6YQYqYXocGy9Tb"},{"type":"paragraph","children":[{"type":"text","text":"古筝的指法教程视频:","id":""}],"text":"","id":"doxcn6k8H95PFtMMKFTPeR5pCnh"},{"type":"paragraph","children":[{"type":"text","text":"初学古筝的指法口诀:","id":""},{"type":"external_link","attrs":{"url":"https://www.bilibili.com/video/BV1Et411v7pq/?spm_id_from=333.337.search-card.all.click"},"children":[{"type":"text","text":"https://www.bilibili.com/video/BV1Et411v7pq/?spm_id_from=333.337.search-card.all.click","id":""}],"text":"","id":""}],"text":"","id":"doxcnSYmrYI0Y7jn88FMp0uOJ2e"},{"type":"paragraph","children":[{"type":"text","text":"勾、托、抹、托指法:https://www.bilibili.com/video/BV1JT4y1N7nx/?spm_id_from=333.337.search-card.all.click","id":""}],"text":"","id":"doxcnaUdPTfYFT5jeLQRu7D53tb"},{"type":"paragraph","children":[{"type":"text","text":"古筝指法抹、打:","id":""},{"type":"external_link","attrs":{"url":"https://www.bilibili.com/video/BV1Di4y1174c/?spm_id_from=333.337.search-card.all.click"},"children":[{"type":"text","text":"https://www.bilibili.com/video/BV1Di4y1174c/?spm_id_from=333.337.search-card.all.click","id":""}],"text":"","id":""}],"text":"","id":"doxcnUFtbUNaz1iWgcr5PlKsgHh"},{"type":"paragraph","children":[{"type":"text","text":"古筝指法大撮:","id":""},{"type":"external_link","attrs":{"url":"https://www.bilibili.com/video/BV1Mi4y127Tt/?spm_id_from=333.337.search-card.all.click"},"children":[{"type":"text","text":"https://www.bilibili.com/video/BV1Mi4y127Tt/?spm_id_from=333.337.search-card.all.click","id":""}],"text":"","id":""}],"text":"","id":"doxcnhRdDDVQfm6o54z082PvY73"},{"type":"imageList","children":[{"type":"image","attrs":{"height":647,"note":[{"type":"text","text":"练习古筝指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/9a4d894fe6824a99b55a67db1e02e67b","width":545},"text":"","id":"doxcnAwHJEzk4f5YDaihmdjkScA"},{"type":"image","attrs":{"height":650,"note":[{"type":"text","text":"练习古筝指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/269c1b6846b7452d98f454c505701dea","width":1033},"text":"","id":"doxcnUd3gRsfn5WAL0bcYWjYRZb"},{"type":"image","attrs":{"height":650,"note":[{"type":"text","text":"练习古筝指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/269c1b6846b7452d98f454c505701dea","width":1033},"text":"","id":"doxcnUd3gRsfn5WAL0bcYWjYRZb"},{"type":"image","attrs":{"height":561,"note":[{"type":"text","text":"练习古筝指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/6639d80449fd4e7484e08fa31d01c38f","width":963},"text":"","id":"doxcnhXC3epFLR8NBF6MjYcguIg"}],"text":"","id":"doxcneiyeD2ZJIp71bDXETnQxLb"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcneiyeD2ZJIp71bDXETnQxLb"},{"type":"image","attrs":{"height":375,"note":[{"type":"text","text":"练习古筝指法","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/9bd6cba9ba8248cd962a2e78621fd6b6","width":639},"text":"","id":"doxcn1pL1ANxT8jnzn3lbUL6xbg"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcnJvCw5y53RaDoBA6QX9Pmod"},{"type":"heading","attrs":{"level":3},"children":[{"type":"text","text":"练习曲子","id":""}],"text":"","id":"doxcnJyzz1WwLy1aYKqFLSKqzeb"},{"type":"paragraph","children":[{"type":"text","text":"曲子是一句一句,一段一段地练习的,练得多了自然就记住了,然后可以","id":""},{"type":"text","text":"脱离琴谱练习。","id":""}],"text":"","id":"doxcnedjjU3teB75boYYylUiBFb"},{"type":"paragraph","children":[{"type":"text","text":"代表曲目","id":""}],"text":"","id":"doxcnmJtLmIzXCQm0ly5vdLjxnc"},{"type":"paragraph","children":[{"type":"text","text":"古筝十大代表名曲有《渔舟唱晚》、《高山流水》、《寒鸦戏水》、《汉宫秋月》、《蕉窗夜雨》、《林冲夜奔》、《侗族舞曲》、《东海渔歌》、《香山射鼓》、《战台风》。","id":""}],"text":"","id":"doxcngLXbbvxTNhPg4zVw0217Pf"},{"type":"image","attrs":{"height":333,"note":[{"type":"text","text":"练习曲子","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/b66b0cc8ff34458a9e479859d13ec3d7","width":500},"text":"","id":"doxcn29t780ecQrS0ywUiiFOgZd"},{"type":"paragraph","children":[{"type":"text","text":"《渔舟唱晚》是传统的古筝独奏名曲。一般以为此曲是娄树华在20世纪三十年代中期,根据古曲《归去来辞》的素材改编而成。取自唐朝诗人王勃的名篇《滕玉阁序》中的佳名:“渔舟唱晚,响穷彭蠡之滨”。","id":""}],"text":"","id":"doxcnRXpbcBQuPDsWfTuIKrNgTc"},{"type":"image","attrs":{"height":661,"note":[{"type":"text","text":"练习曲子","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/4fe6d4f9fbbe4be288cc5e241f8ad4fb","width":716},"text":"","id":"doxcn9bB4dHfTPzDS4S97isyFDg"},{"type":"paragraph","children":[{"type":"text","text":"《高山流水》,为中国十大古曲之一。此曲最早见于我国现存最早的琴曲集《神奇秘谱》。乐曲取中国古代著名的音乐故事“伯牙摔琴谢知音”为题材,表现一种“巍巍乎若高山,洋洋乎若江海”的境界。","id":""}],"text":"","id":"doxcnX30NKs4OIOp5TP5hlN17Ob"},{"type":"image","attrs":{"height":532,"note":[{"type":"text","text":"练习曲子","id":""}],"url":"https://p3.douyinpic.com/larg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","id":""}],"text":"","id":"doxcn1Bt1mB5SZMUIZFff2tiN5M"},{"type":"paragraph","children":[{"type":"text","text":"2、要去试听课;","id":""}],"text":"","id":"doxcnWLgjxebiTYeTKkgzmwxiig"},{"type":"paragraph","children":[{"type":"text","text":"古筝课都是可以提前试听的,我们可以参加基础的试听课程,如果你认为老师讲的可以很轻易的听得懂,而且讲的有非常详细,老师人也比较好,那么就可以考虑选择这个老师。 ","id":""}],"text":"","id":"doxcn3TtkobSvhXnJ8CfEORxqVe"},{"type":"paragraph","children":[{"type":"text","text":"3、学历;","id":""}],"text":"","id":"doxcnF59z77IBqpxpxk6D11FBRy"},{"type":"paragraph","children":[{"type":"text","text":"老师的学历也是比较重要的,我们在选择老师的时候我可以咨询一下老师是哪里毕业的,如果老师是正规的音乐学校毕业的,那么他学习的知识会更加系统,在教我们的时候条理会特别清楚。","id":""}],"text":"","id":"doxcnllhLpqArQDUg9tNqSDFqUh"},{"type":"paragraph","children":[{"type":"text","text":" 4、专业性。","id":""}],"text":"","id":"doxcn4f9wwijb7Qbr3kd0CDEyVc"},{"type":"paragraph","children":[{"type":"text","text":"学习古筝还是非常需要老师的专业性的,老师水平比较高,比较专业,那么我们的学习质量也会更加的高。","id":""}],"text":"","id":"doxcnulRw7Fm6REaK3rCEkpxHOg"},{"type":"heading","attrs":{"level":2},"children":[{"type":"text","text":"自学选择教材","id":""}],"text":"","id":"doxcnC5tsQCi8RxCbhOgJ8oKzLb"},{"type":"paragraph","children":[{"type":"text","text":"1、《古筝基础教程》","id":""}],"text":"","id":"doxcn0H0T18Tqb10nfAaEquWymc"},{"type":"image","attrs":{"height":611,"note":[{"type":"text","text":"自学选择教材","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/db41d98e4f844df1be4c0951d7c838d1","width":440},"text":"","id":"doxcnfk091PEK0Qv0b8IQjT09Pn"},{"type":"paragraph","children":[{"type":"text","text":"这本书分为古筝入门、古筝技法、古筝曲三个部分,是结合理论和实际的基础教材。","id":""}],"text":"","id":"doxcn3mAJHbbCi2IOhkhslCNQzd"},{"type":"paragraph","children":[{"type":"text","text":"2、《古筝入门》","id":""}],"text":"","id":"doxcnrUe0YgARGJ5fE3FDEgkWDe"},{"type":"image","attrs":{"height":500,"note":[{"type":"text","text":"自学选择教材","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/51a3cacf2fed4e41a12d9fe689f3a5e6","width":372},"text":"","id":"doxcnw8ifUwU3zmVJi7VZgP8a4e"},{"type":"paragraph","children":[{"type":"text","text":"这本书介绍古筝由易到难,循序渐进,介绍的比较详细,里面附带很多筝曲。","id":""}],"text":"","id":"doxcnAPv90ardbdULWnWX1mjioe"},{"type":"paragraph","children":[{"type":"text","text":"3、《从零起步学古筝》","id":""}],"text":"","id":"doxcnxbrI9XBr8ePdhbvK7lqJVd"},{"type":"image","attrs":{"height":431,"note":[{"type":"text","text":"自学选择教材","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/ce3ff930e1c84e09b474765d65b0840a","width":428},"text":"","id":"doxcnAZOGsyCulr9jW2sFUew8DS"},{"type":"paragraph","children":[{"type":"text","text":"遵循从易及难的原则,从古筝最基本的指法讲起,每种指法配以相应的练习曲和乐曲。","id":""}],"text":"","id":"doxcnYXO5HodIkExmDxoUOswWTd"},{"type":"paragraph","children":[{"type":"text","text":"我们学习的时候先学习基础知识,理论知识学会后可以在网上多看些古筝的教程,特别的视频教程,可以在哔哩哔哩上选择适合自己的配合教材学习。","id":""}],"text":"","id":"doxcnqe26SjEYutpy2kBYqVb0Qc"},{"type":"paragraph","children":[{"type":"text","text":"不过刚开始学习还是不建议自学,毕竟我们对古筝琴音没用正确的认知,非常容易走入误区,只有在老师的带领下,感受到老师正确的琴音,才能慢慢培养认知,这个是教材和视频代替不了的。","id":""}],"text":"","id":"doxcnkRftEgJUEiOi6zVs64I7eh"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"古筝考级","id":""}],"text":"","id":"doxcnRjjFaZS7SDUaPvY40soAqh"},{"type":"paragraph","children":[{"type":"text","text":"古筝考级分为1-10级,其中1-4级为初级,5-7级为中级,8-10级为高级,高级需要加考乐理。","id":""}],"text":"","id":"doxcnkW8jBZPdedKfv0m0cNdoTg"},{"type":"paragraph","children":[{"type":"text","text":"按有关规定,古筝考级一般是从一级到十级,由低到高逐级考评,但由于考级工作一般都是每年进行一次,而学古筝的每个人学习情况不同,因此可跳级报考,如果古筝学习的比较好,可以直接报考六级考试。","id":""}],"text":"","id":"doxcnllxO6bY9vpi6EKhOJgVLjb"},{"type":"paragraph","children":[{"type":"text","text":"六级考试属于中等偏上的等级考试,考试相对简单,7级开始考试难度会增加很多。","id":""}],"text":"","id":"doxcnQHXBv7hlFGmTKl5JeFEmgc"},{"type":"paragraph","children":[{"type":"text","text":"所以刚开始考级的时候建议选择古筝六级考试,下面给大家介绍一些六级考试曲目。","id":""}],"text":"","id":"doxcn8iIIqp5eoRULRDrGfycx17"},{"type":"paragraph","children":[{"type":"text","text":"古筝六级曲目有哪些","id":""}],"text":"","id":"doxcnoqLyX19GdR4ewmFJbbjymf"},{"type":"paragraph","children":[{"type":"text","text":"古筝考级六级曲目一般包括《高山流水》、《柳青娘》 、《出水莲》、《崖山哀》、《庆丰年》 、《闹元宵》 、《山丹丹开花红艳艳》等,根据考级版本不同可能略有区别,例如有音协考级、中央音乐学院考级、民族管弦学会考级等, 每个版本曲目和练习曲要求都不同。","id":""}],"text":"","id":"doxcnBVHAX6Vxsjr6VneW1bmvuf"},{"type":"paragraph","children":[{"type":"text","text":"考级的时候需要演奏两首同一级别的曲目,六级曲目中高山流水、庆丰年 、出水莲为必选曲目。六级考试的要求是加强各种音色变化、控制力的训练,并进行一些特殊定弦乐曲的练习,演奏上必须按照其指法特点,应强调力度与音色的对比、演奏的投入及较好的音乐表现力。","id":""}],"text":"","id":"doxcn4YI4iZHWigmpvbplu0mC7e"},{"type":"image","attrs":{"height":324,"note":[{"type":"text","text":"古筝考级","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/e51dc6b414e34e4d8ddab8bf77bd3a5b","width":500},"text":"","id":"doxcnIlKLBRseadbav2PAZrnPye"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"调音器怎么用","id":""}],"text":"","id":"doxcnlSIdOZxBdFgWUlnZlcmHbf"},{"type":"paragraph","children":[{"type":"text","text":"古筝和吉他、钢琴等乐器一样都是需要调音的,最简单的方法就是使用调音器进行调音,具体的方法如下:","id":""}],"text":"","id":"doxcnuqQAEbAPY2J3mhFXdGKEid"},{"type":"paragraph","children":[{"type":"text","text":"1、首先把调音器的电池装好,长按中间的开关打开调音器。","id":""}],"text":"","id":"doxcnNhlw83kgnACdMMvjap8iIb"},{"type":"paragraph","children":[{"type":"text","text":"2、按开关键把屏幕左下角的字换成“自动”,按“M/T”键把屏幕右下角的字换成“古筝D”。","id":""}],"text":"","id":"doxcnwDSqJun4U7gMJ4nqoyuS31"},{"type":"paragraph","children":[{"type":"text","text":"3、按上三角符号和下三角符号把左上角的数字换成“=440”。","id":""}],"text":"","id":"doxcnr625EFHHdxCeoYHeXvgfcd"},{"type":"image","attrs":{"height":333,"note":[{"type":"text","text":"调音器怎么用","id":""}],"url":"https://p3.douyinpic.com/large/tos-cn-i-qvj2lq49k0/03e71c342de248378a5065981bccb8d5","width":500},"text":"","id":"doxcnuRIv9zs1f9kQsJQoFApp3e"},{"type":"paragraph","children":[{"type":"text","text":"4、把夹子夹到要调的那根弦的附近,这样更能使调音器取到音。","id":""}],"text":"","id":"doxcnnN9GgJFgBNfm73c0u8L6Bd"},{"type":"paragraph","children":[{"type":"text","text":"5、用古筝指甲拨要调的那根弦,看调音器屏幕上的数字,如果显示的数字比调的弦大,就说明太松了,如果数字比调的弦小,就说明太紧了,用调音扳手重新调整。","id":""}],"text":"","id":"doxcnheQoxTlWV7LRC290Inzpvg"},{"type":"paragraph","children":[{"type":"text","text":"6、当屏幕上的数值是所调的弦的数值,还要看调音器最上端的三个指示灯,如果左边的红灯亮了,就说明有点偏紧了,如果右边的红灯亮了,就说明有点偏松了,如果绿灯亮,就说明这条弦已经调好。","id":""}],"text":"","id":"doxcntL7EshHfE4hBhXusglIShb"},{"type":"heading","attrs":{"level":1},"children":[{"type":"text","text":"日常保养方法","id":""}],"text":"","id":"doxcnEw0jUTuzpLCRa0lWxlJhqc"},{"type":"paragraph","children":[{"type":"text","text":"一般情况下,相对湿度在50%-70%之间的空间内使用古筝对筝的振动和发音都比较有利,湿度低于50%容易引发筝体表面及底板开裂,而湿度高于70%则易使面板吸潮,导致声音发闷、余音减短、音色发暗。","id":""}],"text":"","id":"doxcnFfCdIYAZ5kkmx41JDbsbQ3"},{"type":"paragraph","children":[{"type":"text","text":"1、古筝在使用时应轻拿轻放,避免碰撞或剧烈震动。","id":""}],"text":"","id":"doxcnkVCuvgtamjsI34EsAR5Zhd"},{"type":"paragraph","children":[{"type":"text","text":"2、若在北方地区使用古筝,在琴下放一盆水,增加空气湿度,防止开裂。冬季时古筝不能靠近散热的暖气片,以免出现曝烈或变形的情况。","id":""}],"text":"","id":"doxcnWQb4dqfGnD7sEJD9lUEvvf"},{"type":"paragraph","children":[{"type":"text","text":"3、古筝使用后可用干软布拭去琴弦上的汗渍,以防琴弦生锈,不用时要以筝罩盖好;","id":""}],"text":"","id":"doxcnb7fDryhatgsXqbsyO2Umqg"},{"type":"paragraph","children":[{"type":"text","text":"4、古筝应经常使用,这有利于琴弦张力的稳定,也鞥促进音色;","id":""}],"text":"","id":"doxcnaMVTn0zOM4pqtst0yaodg0"},{"type":"paragraph","children":[{"type":"text","text":"5、一旦发现琴音不准时应及时调音;","id":""}],"text":"","id":"doxcnoqz4GQYQLgiDZajFTogh6e"},{"type":"paragraph","children":[{"type":"text","text":"6、长时间不用古筝,只要防潮、防晒、防灰即可,不可将其放在地上或挂在潮湿的墙上。湿气较重时,将古筝放入盒内,并在盒内放入干燥剂。","id":""}],"text":"","id":"doxcn5wcZqCukEbnNlTr6LVRLif"},{"type":"paragraph","children":[{"type":"text","text":"","id":""}],"text":"","id":"doxcnKpcYEDNDsGAzl4elgCSRJe"}]%3C%2Fhowto_content%3E
7. 南方测绘全站仪NTS332R6
1、准型火花塞:绝缘体裙部略缩入壳体端面,侧电极在壳体端面以外,是使用最广泛的一种。
2、缘体突出型火花塞:绝缘体裙部较长,突出于壳体端面以外。它具有吸热量大,抗污能力好等优点,且能直接受到进气的冷却而降低温度。
3、电极型火花塞:其电极很细,特点是火花强烈,点火能力好,在严寒季节也能保证发动机迅速可靠地起动,热范围较宽,能满足多种用途。
4、座型火花塞:其壳体和旋入螺纹制成锥形,不用垫圈,缩小了火花塞体积。
5、极型火花塞:侧电极一般为两个或两个以上,优点是点火可靠,间隙不需经常调整。
6、面跳火型火花塞:即沿面间隙型,是一种最冷型的火花塞,其中心电极与壳体端面之间是同心间隙。
8. 南方测绘全站仪NTS332R10M后方交会
后方交会,只要仪器有这个功能没有这个功能的话你要1.仪器站在可以通视两个已知点的位置,把仪器调设水平。(这个点暂叫C点)
2.观测对中器对点做记号3.观测CA线和CB线的距离4.在CAD图用CA线和CB线长度作为半径画圆得出C点的坐标(A和B点的坐标体系)