geomagnetism例句

Welcome to the Bio - geomagnetism Group of the PGL in Beijing!
欢迎来到北京生物地磁学实验室!

The earth is surrounded by the geomagnetism. The geomagnetism is stable and has some regulation.
地球磁场遍布整个地球, 而且相对比较稳定,并有一定的规律可循.

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