地震动衰减关系。

Attenuation laws of earthquake ground motion.

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研究内容主要包括地震烈度衰减关系和基岩地震动衰减关系。

And then the seismic intensity attenuation relations along major axis, minor axis and mean axis are established separately.

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地震动衰减关系是地震区划和重大工程场地地震安全性评价的重要内容。

The seismic ground motion attenuation relationship is an important content in seismic zonation and seismic safety evaluation of engineering sites for key projects.

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