The BIE is firstly converted into a variational formulation, and then the MLS shape functions are used to generate the approximate space.
边界积分方程首先被转化为相应的变分形式，然后用移动最小二乘近似的形函数构造解空间。
The influences of isolated points on algebraic structure of approximate space and description of rough equality by crisp sets are discussed.
讨论近似空间中的孤点对其代数结构以及粗相等的清晰集刻画的影响。
The important conclusion that the approximate space of rough sets and topology space are specific covering Spaces is achieved. So rough sets and topology are unified by covering space.
得出了粗糙集近似空间和拓扑空间都是具体覆盖空间的重要结论，从而用覆盖空间统一了粗糙集和拓扑。
The important conclusion that the approximate space of rough sets and topology space are specific covering Spaces is achieved. So rough sets and topology are unified by covering space.
得出了粗糙集近似空间和拓扑空间都是具体覆盖空间的重要结论，从而用覆盖空间统一了粗糙集和拓扑。
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