最后，给出了广义模糊粗糙近似算子的分解与合成定理。
At last, we we prove the decomposition and synthetize theorems of general fuzzy rough approximation operator.
讨论了分配bz格的区间结构及其粗糙近似算子的性质。
In this paper, interval structure of distributive BZ lattices and properties of rough approximation operators are discussed.
本文对粗糙集理论中最基本的部分——近似算子及随机集进行了较系统的探讨。
In this paper, the approximation operators and the random sets, the best parts of the rough sets theory, are studied systematically.
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