微地震过程中，先产生频率较高的振动，由于岩体阻尼而非面波频散引起振动频率衰减。
High frequency vibrations did occur early in the microseism, and then the frequency was attenuated because of the damping of rock but not by the frequency dispersion of surface waves.
频敌和衰减是面波传播中的两个基本特征，利用面波频散和衰减可以有效地研究地球内部速度结构和粘弹性结构。
Two of the most predominant characteristics of Surface Wave are Dispersion and Attenuation which are the effective tools to study the velocity structure and viscidity structure of the earth interior.
从瑞雷面波在具有表面层介质中的传播情况入手，得出成层介质中的瑞雷波具有频散特性。
The paper begins with the propagation of Rayleigh wave in the media with surface layer, educes that the Rayleigh wave have the property of dispersion in layered media.
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