1) occurrence of largeearthquake
大震发生
2) The annual average rate of earthquake recurrence
大地震年平均发生率
3) first occurring earthquake
首发大震
1.
Seismic periodicities,first occurring earthquakes,seismic quiet periods and seismic gaps along the north-south seismic belts of China before the 2008 Wenchuan M8.
0级地震前南北地震带大震轮回、首发大震、地震平静或空区、地震条带等地震活动图像在震前分析的基础上就地震预测问题进行了思考。
4) strong earthquake occurring section
强震发生带
5) defibrillator
[英][di:'fɪbrɪleɪtə(r)] [美][di'fɪbrɪ'letɚ]
电震发生器
6) recurrence period of great earthquake
大震复发周期
补充资料：大震关
在今甘肃清水县东陇山东坡。唐中叶以后为防御吐蕃的要地。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条