By theoretical analysis and numerical computation of MS wave's propagation, the propagation law of wave in attenuation elastic-viscosity media had been given.

对微地震波的传播进行了理论分析和数值计算，得到了存在衰减的粘弹性介质中纵波的传播规律。

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With regard to air viscosity, the law of time dependent displacement of elastic ball is studied in theory.

考虑到空气的粘性，理论计算了弹力球的运动位移随时间的变化规律。

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The viscosity of blood, the elastic modulus of blood vessel and the radius of tube that influenced the pulse wave propagation were analyzed.

通过理论分析对脉搏波在血管中的传播规律进行研究，同时分析了血液粘性、血管壁弹性模量、管径对波的传播的影响。

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