在这个基础上针对理解电势多极展开式中的一些代表性问题作了说明。并从一个新的起点开始，导出了电势的多极展开式。
A new method of explore electric multipoles extended is given, a formular of electric potential multipoles is derived and some representative problems are discussed.
在这个基础上针对理解电势多极展开式中的一些代表性问题作了说明。并从一个新的起点开始，导出了电势的多极展开式。
A new method of explore electric multipoles extended is given, a formular of electric potential multipoles is derived and some representative problems are discussed.
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