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。
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。
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。
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