This method allows to model acoustic medium by using solid elements.

该方法允许使用固体单元来模拟声介质。

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An infinite thin cylindrical shell immersed in acoustic medium is studied.

以浸没在流体声介质中的无限长弹性薄圆柱壳为研究对象。

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Natural earthquakes are actually phenomena of acoustic emission of earth medium.

天然地震实际上是地球介质的一种声发射现象。

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