When P, mouth without compressed air, in spring force and A mouth (chamber) under the action of more than strength;

当P 口无压缩空气时，在弹簧力和A 口（腔） 余气力作用下；

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But, the converted waves, PS waves, containing effective information of incident compressed (p) waves, can create converted s waves.

转换波(ps)含有有效入射P波信息，从中能获得转换S波。

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