利用函数粗集和它生成的粗积分，给出输出系统的生成规律、干扰规律与干扰度等的概念。

By employing function rough set and its generated rough integral, the concepts of generated law, interference law and interference degree of output system were proposed.

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运用粗集理论对逻辑函数进行知识表达的方法，提出了基于粗糙集的组合逻辑优化方法，并给出了相应的算法。

Rough set-based method of combinatory logic optimization was presented by using knowledge expression of logic function with rough set theory, and its corresponding algorithm was given, also.

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通过粗糙隶属度函数，将粗集理论与模糊理论联系起来，建立一种粗集理论与模糊理论的关系。

In this paper, we combine the fuzzy set theory with rough set theory by rough membership function and establish a relation between them.

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