应用地震应变能积累释放模型研究了各地震区的地震活动水平。
The seismicities of each sub-region are studied using the strain accumulating and releasing model.
1986年的全球地震活动水平明显超过1985年而更接近峰值。
The global seismicity level of 1986 obviously exceeded that of 1985, even more approaching a peak value.
场地地震安全性评价中的近场区活动断裂评价是确定近场区地震活动水平的重要一环。
The evaluation of active fault near engineering site is necessary for evaluation of site seismic safety.
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