配点型无网格方法的实施不需要背景网格，是真正的无网格法。

While the point collocated meshless method is a real meshless method because its implementation does not need any background mesh.

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基于径向函数的点插值法（RPIM）是一种新型无网格法。

A meshless method with radial point interpolation method (RPIM);

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基于径向函数的点插值法（RPIM）是一种新型无网格法。

A meshless method with radial point interpolation method (RPIM);

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