And so there are only two kinds of waves that can exist on this violin string, standing or traveling.
由于这只有两种波，可以存在在这条弦上，驻波或行波。
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.
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.
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。
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