... multipolarity 多极性 multipole expansion 多极展开 multiprojective space 多重射影空间 ...
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转动下之张量。多极展开。
在三维弹性力学边界元法的基础上，推导出二阶单元的基本解快速多极展开格式。
The three-dimensional boundary element method for elastic materials was extended to develop a fast multipole expansion formulation of the fundamental solutions for quadratic elements.
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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