振动弦处于磁场之中。

The string is in a magnetic field.

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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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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.

youdao