这些模型对于地区性地震活动性的差别，对于量化一个特定区域的地震活动风险的努力产生重要的后果。
The differences between these models for regional seismicity have important consequences for efforts to quantify the seismic hazard in a particular region.
阐明这些地区晚第四纪的地壳运动对于研究断裂的活动性、地震预测预报以及重大工程的区域稳定性评价均有重要意义。
This result is significant for the research on the fault activity and earthquake prediction and for the stability evaluation of important engineering region.
本文在研究秦皇岛市区域地震地质环境和地震活动规律的基础上，确定了区域潜在震源区及相应的地震活动性参数。
Based on the study of regional seismic environment and seismic periodicity, the potential seismic source zones and their activity parameters are determined.
震前地震活动性异常图象与强震孕育过程有关，反映了区域应力场应力变化过程。
The abnormal patterns of the moderate earthquakes were related to the developments of the large events, reflecting the processes of the stress variations in the regional stress fields.
进一步对影响地震破坏程度的断裂的活动性进行了探讨，依据分析结果得出了受灾严重区域，并解释了灾区北部受灾较南部轻的原因。
The authors obtain hard-hit areas according to the results. Finally we explained why the damage in the northern region is lighter than that in south.
阐明了地震活动性模型的理论基础、技术思路和方法，并以湖南地区和华北地区作为样本区域进行地震活动性分析。
Finally, we illuminate clearly theoretical foundation and technique of seismicity model, and select hunan region and north-china region as the demonstration region of seismicity.
阐明了地震活动性模型的理论基础、技术思路和方法，并以湖南地区和华北地区作为样本区域进行地震活动性分析。
Finally, we illuminate clearly theoretical foundation and technique of seismicity model, and select hunan region and north-china region as the demonstration region of seismicity.
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