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波节怎么数
更新时间: 2020-10-29 00:00:00  

对于波节怎么数这个问题,要判断驻波的个数,可以直接数或者计算波腹和波节的个数即可。对于可以用示波器直接观察的实验,直接观察波形即可。对于波函数,可以代入波函数等于零,求出对应位置x的个数,就是驻波的个数。

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