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.
计算中主要的输入参量为该地区的地震目录、震源机制、地震活动水平、深部结构模型等。
The main inputs for this computation are earthquake catalogue, source mechanisms, the level of seismic activity and the deep structural models.
文中还从现今地壳运动角度，讨论了活动地块运动速率与强地震活动水平之间的可能联系。
Based on present crustal movement, the potential correlation between active crustal-block movement velocity and strong earthquake activity has been discussed.
中强地震活动具有成丛发生的特点，地震活动水平在减弱的同时，逐渐从有序状态向无序状态演化。
The moderate earthquakes occurred in cluster; and companied with the weakening of the activity level, the seismicity became disordered.
介绍了一种用单台地震资料，监视台站周围一定区域范围内，小震活动水平的动态变化，预报未来强震发生的方法。
A single - station method for monitoring the dynamic changes of small seismicities and future strong earthquakes within the certain region around the station is introduced in this paper.
从各边界带上强震活动的频次和单位时间、单位长度的地震应变能释放出发，讨论了各活动地块边界带的强震总体活动水平；
The seismicity levels on the active tectonic block boundaries are discussed considering the large earthquake frequency and the released strain energy in unit distance and time.
1997年第四季度，全球地震活动为高水平。
The global seismicity in the fourth quarter of the year 1997 was in high level.
1992年第三季度，全球地震活动为中等水平。
The global seismicity during the 3rd quarter of the year 1992 is of medium level.
美洲地震带活动水平维持中等。
地震科学水平和地震预报的社会实践，形成研究人员不同的“良心”心理活动。
The psychological actions of different conscience of researcher are formed in the practice of earthquake prediction.
1986年第三季度的全球地震活动属于中等以上水平。
The Global seismicity during the 3rd quarter of the year 1986 is of medium level or slightly above.
1987年第三季度的全球地震活动有所回升，但水平仍不高。
There is a little revival, but the level of global seismicity is still not high during the 3rd quarter of the year 1987.
1987年第三季度的全球地震活动有所回升，但水平仍不高。
There is a little revival, but the level of global seismicity is still not high during the 3rd quarter of the year 1987.
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