吧的一声， 弦断了。

The string broke with a snap.

在那条弦上的震动模式是量子化的。

The modes of vibration in that string are quantized.

他在表演前将小提琴所有的弦都调好了。

He keyed up all the strings of his violin before his performance.

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。

The second thing is, just as in the case of the violin string, the wave equation, as posed by Schrodinger, has a plurality of solutions.

第二，就那个小提琴弦而言，波动方程，被薛定谔所提出的，有许多解法。

All of the sounds are produced by the strings on the instrument and how the bow is pulled across the instrument.

所有声音都是靠乐器上的弦产生的,琴弓在乐器上来回滑动发声