One of the reasons why the new motion works is that the human hand is a mechanical device and has resonances at which certain combinations of motions naturally work well.
新指法能够有效的其中一个原因就是，人的手是类机械性的，在某种运动组合的时候运作起来会更加协调。
One of the reasons why the new motion works is that the human hand is a mechanical device and has resonances at which certain combinations of motions naturally work well.
新指法能够有效的其中一个原因就是，人的手是类机械性的，在某种运动组合的时候运作起来会更加协调。
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