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1·The disturbance is sound wave, conforming to the laws of acoustic propagation in solids.

这种扰动是种声波，它遵从在固体中声波的传播规律。

2·The disturbance is sound wave, conforming tothelaws of acoustic propagation in solids.

这种扰动是种声波，它遵从在固体中声波的传播规律。