主要活动地区是太平洋西北边缘地震带和大洋岛弧地震带。
The main regions of seismic activities were the seismic belt of the northwest margin of the Pacific Ocean and the Oceanic island-arc seismic belt.
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.
应用推荐