从数学上证明了上端固定、下端作圆周运动的弦振动会形成驻波 。

There are different viewpoints about the wave source in the experiment of vibration of string.

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在弦振动“驻波”实验中，对于起振端是波节还是波腹，存在不同的认识。

There are different viewpoints about the wave source in the experiment of vibration of string.

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从数学上证明了上端固定，下端作圆周运动的弦振动是驻波。络纱时产生的退绕气圈也是这种形式的驻波。

It has been proved mathematically, that the string vibration will forms standing waves if its Uper end is fixed while lower end moves round a circle.

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