And the helium content anomaly before the Lindian M_S 5.1 earthquake is also notable.

氦气在林甸5.1级地震前具有明显前兆异常变化。

youdao

And the helium content anomaly before the Lindian M_S 5.1 earthquake is also notable.

氦气在林甸5.1级地震前具有明显前兆异常变化。

youdao