单词foreshock
n.: (大地震前的)预震
网络: 前震；小地震谓之前震；前震商务英语词汇
(大地震前的)预震
复数：foreshocks
The research on the quiescent foreshock is of great theoretical and practical significance.
寂静地震的研究具有重要的理论与实际意义。
Even in areas where foreshocks are fairly common, there is no way of distinguishing a foreshock from an independent earthquake.
即使是在前震相当普遍的地区，也无法将前震与独立地震区分开来。
No foreshock emerged before the earthquake, and its aftershock kept up for a long time.
此次地震没有明显的前震，并且余震连续不断地发生。
The mechanisms of one foreshock and four aftershocks of Yushu earthquake were determined by the wavelet domain inversion method.
利用小波域方法求解了玉树的一个前震以及四个余震的震源机制解。
This means that there is about a 94% chance that any earthquake will NOT be a foreshock .
这意味着有大约94%的机会，一次地震不会成为另一场更大地震的前震。
In the Pacific Northwest, there is no evidence of foreshock activity for most historic earthquakes.
在太平洋西北地区，历史上的大多数地震都没有前震活动的证据。
Some earthquakes start with a foreshock, which is a little warning before the big one hits.
某些地震开始用一个前震，这看上去有点警告前的一个大的支安打。
An increase in foreshock activity triggered the evacuation warning.
前震活动的增加引发了疏散警报。
What is the probability that an earthquake is a foreshock to a larger earthquake?
一场地震是一场更大地震前震的概率有多大？
Signal earthquake is a kind of generalized foreshock.
信号震是一种广义的前震；