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.
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