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来源:雅诚德英语网
When the magnetic field is at its strongest, and sunspots at their most plentiful, they cluster close to the equator.
当磁场最强,太阳黑子最丰富的时候,它们会聚集在赤道附近。
When the magnetic field is at its strongest, and sunspots at their most plentiful, they cluster close to the equator.
当磁场最强,太阳黑子最丰富的时候,它们会聚集在赤道附近。