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本文用构造方法与公理化方法研究了一般模湖关系下的模糊粗糙集系统.通过模糊关系定义了近似算子,又由公理化的近似算子导出了相应的模糊关系.给出了满足不同公理的近似算子与其相应的模糊关系之间的等价刻画.
In this paper, we study the fuzzy rough set system under general mold-lake relation by using the methods of construction and axiomatization.We define the approximate operators through the fuzzy relations and derive the corresponding fuzzy relations by axiomatic approximation operators, Equivalent characterization of axiomatic approximate operators and their corresponding fuzzy relations.