Then the characteristics of the grouped strong earthquake activity in North China have been analyzed for Shanxi Province.

然后又分析了华北强震成组活动特征在山西的表现。

youdao

Then the characteristics of the grouped strong earthquake activity in North China have been analyzed for Shanxi Province.

然后又分析了华北强震成组活动特征在山西的表现。

youdao