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1·But the amplitude when occurrence amyotrophy also decrescent.

但出现肌萎缩时振幅也变小。

2·When you flip phone ringtone decrescent ah, I think this meeting, if you are not careful not to shake on mobile phones, the function is also quite useful.

当你翻转手机铃声变小啊，我觉得这个在开会的时候，如果你不小心手机没有调到震动上的话，这个功能也是挺有用的。

3·With the increase of the ratio the density of the sample increases at first and then decreases when the ratio reaches certain critical value and the mach pore is decrescent at first and later largens.

随装药比的增大，马赫孔从有到无，但当装药比继续变大时，则会再次出现马赫孔且有增大的倾向；