This paper gives a new concept of reflexive closure of fuzzy relation and symmetric closure of fuzzy relation, and also gives operation method and properties about it.

本文定义了模糊关系的自反闭包、对称闭包概念，同时给出了模糊关系的自反闭包、对称闭包的运算方法及性质。打破了在原有的模糊关系只有传递闭包的局面。

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This paper gives a new concept of reflexive closure of fuzzy relation and symmetric closure of fuzzy relation, and also gives operation method and properties about it.

本文定义了模糊关系的自反闭包、对称闭包概念，同时给出了模糊关系的自反闭包、对称闭包的运算方法及性质。打破了在原有的模糊关系只有传递闭包的局面。

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