Continental mantle metasomatism: a precursory event of platform activation?

大陆地幔交代作用：地台活化的先驱事件？

There are six common features for precursory anomalies before strong earthquakes.

强震前兆异常具有六大共性特征。

It is suggested that the swarm might occur frequently and was not a precursory one.

初步认为荣成震群是一次频发性震群，不是前兆震群。

These characteristics are related to the mechanism resulting in precursory anomaly.

这些特征与引起异常的机理有关。

The short-term precursory anomaly is the "positive acceleration" phenomenon of water level.

它的短期震兆异常是水位变化的“正向加速”现象。