本文研究模糊近似空间与模糊拓扑空间之间的关系、基于模糊覆盖的粗糙集模型与约简等问题。
This paper discusses the relationships between a fuzzy approximation space and a fuzzy topology space. The approximations and reduction in fuzzy covering-based rough sets are also studied.
在不同的运算下，讨论了模糊数空间上近似小于等于关系的变化。
This paper investigates the transformation of approximate equal or less than relation on fuzzy number space under various operations.
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