通过引进规则并算子的概念，本文给出31个规则并算子；

A rule-union operator is defined, and 31 rule-union operators are given;

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本文在模糊产生式规则的基础上引入了加权模糊连接算子的概念，并研究了征兆的类型。

In this paper a weighting fuzzy connection operator is introduced in fuzzy production systems, and four kinds of symptoms are presented.

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本文在模糊产生式规则的基础上引入了加权模糊连接算子的概念，并研究了征兆的类型。

In this paper a weighting fuzzy connection operator is introduced in fuzzy production systems, and four kinds of symptoms are presented.

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