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本文讨论了不同情况下介质球外的偶极势,并且以比较的方法求得了介质球的偶极矩,以几种方法求得了介质球的极化强度.
In this paper, we discuss the dipole potential outside the media sphere under different conditions and obtain the dipole moment of the media sphere by comparison. The polarization of the media sphere is obtained by several methods.