If one adopts the particle-model as usual, there is always a mistake in the wave source determining method, while wave source, medium and observer move relatively.

当波源、介质、观测者相对运动时，我们习惯采用的粒子模型对波源的测定方法存在错误。

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If one adopts the particle-model as usual, there is always a mistake in the wave source determining method, while wave source, medium and observer move relatively.

当波源、介质、观测者相对运动时，我们习惯采用的粒子模型对波源的测定方法存在错误。

youdao