现在代入振幅，振幅等于高度的两倍。

Now I'm going to give it a displacement, an amplitude which is twice as high.

youdao

第一个空气流使峰值振幅大大降低，以后就保持在无气帘时振幅的0.1到0.2倍。

The peak amplitude is decreased substantially by the first air stream and thereafter remains between 0.1 and 0.2 of the amplitude without air curtains.

youdao