Evidently, there is another motion to be concerned with and that is the propagation of the modulation envelope.

显然，还应当考虑另外一种运动，那就是调制包络的传播。

youdao

Evidently, there is another motion to be concerned with and that is the propagation of the modulation envelope.

显然，还应当考虑另外一种运动，那就是调制包络的传播。

youdao