Gauthier began to carry out his geomagnetism observation in Xujiahui Catholic Church of Shanghai.

Gauthier在上海徐家汇天主教堂开始了地磁观测。

youdao

Gauthier began to carry out his geomagnetism observation in Xujiahui Catholic Church of Shanghai.

Gauthier在上海徐家汇天主教堂开始了地磁观测。

youdao