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1·Methods Isotonic contraction of vessel smooth muscle was recorded.

方法应用血管平滑肌等张收缩的方法。

2·By using acoustic methods, this paper studied the isotonic and isometric contraction of biceps under load to reveal the characteristics of sound production.

作者用声学法研究肱二头肌在负荷下等长、等张收缩、揭示其发声规律。

3·By using acoustic methods, this paper studied the isotonic and isometric contraction of biceps under load to reveal the characteristics...

作者用声学法研究肱二头肌在负荷下等长、等张收缩、揭示其发声规律。