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加强二胡是在完全尊重现有二胡造型结构的前提下所采用的粗琴杆、短琴轴、拉顶微调千斤的结构方式。 短琴轴是将轴前端减少仅1厘米,使挂弦垂线处距琴杆1.5厘米(而原琴轴挂弦处距琴杆3厘米),如此挂弦力臂缩短一倍,即挂弦作用在琴杆上的力减少一倍,即琴杆应力也增加一倍,体现了加强二胡的重要特征。
Erhu is to strengthen the ergonomics in full respect of the existing structure under the premise of the harpsichord, the short piano shaft, pull the top of the fine adjustment of the jack way. Short piano shaft is to reduce the front end of the shaft only 1 cm, hanging string perpendicular to 1.5 cm away from the piano (while the original piano strings hanging strings 3 cm away from the piano), so hanging string arm doubled, hanging strings Double the amount of force acting on the pianoforte, ie double the stress on the pianoforte, reflecting the important features of the enhanced erhu.