Prediction of impending earthquake is always a critical problem much concerned by numerous seismologists. It is the difficult point of strong and moderate earthquake forecasting.

临震预报历来为众多地震学家所关注，它是中、强震预报的困难所在。

youdao

Prediction of impending earthquake is always a critical problem much concerned by numerous seismologists. It is the difficult point of strong and moderate earthquake forecasting.

临震预报历来为众多地震学家所关注，它是中、强震预报的困难所在。

youdao