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.
利用新疆历史地震考察资料，采用多元回归方法拟合新疆地区地震烈度衰减规律。
Combined with the survey data of historical earthquake in Xinjiang, the seismic intensity attenuation law has been fitted with multiple regression method.
本文利用山东省及其邻区14个地震的37条等震线拟合山东地区地震烈度衰减公式。
The formula of seismic intensity attenuation fitted by using 37 isoseismal lines of 14 earthquakes in Shandong and near area.
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