The historical earthquakes and seismotectonic data of Beijing and surrounding areas are described based on which parameters of input excitations of the basement rocks have been evaluated.
文中研究了北京及其周围地区的历史地震和地震地质资料，并在此基础上估计了基岩运动的参数。
These results show that statistic characteristics of historical earthquakes can be used to seismic zonation with probabilistic means in the region where historical earthquake data is available.
其结果说明，在历史地震资料比较丰富的地区，可以利用场地影响烈度的统计特性来编制具有概率含义的地震烈度区划图。
The Earthquake Project is a concerted effort to bring together historical data on earthquakes for purposes of trend analysis.
地震工程汇集的地震历史数据的趋势分析的目的是协调一致的努力。
Data of ground collapses and landslides caused by historical earthquakes are studied in this paper and a method for grading prediction of the collapses and landslides in West China is suggested.
在对我国已有地震崩塌和滑坡资料(简称崩滑)的研究分析基础上，提出适用于我国西部地区地震崩滑的由粗至细、分级预测地震崩滑的方法。
Data of ground collapses and landslides caused by historical earthquakes are studied in this paper and a method for grading prediction of the collapses and landslides in West China is suggested.
在对我国已有地震崩塌和滑坡资料(简称崩滑)的研究分析基础上，提出适用于我国西部地区地震崩滑的由粗至细、分级预测地震崩滑的方法。
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