介绍了专家系统的具体实现过程，对基于规则、基于案例、基于模型以及混合推理的推理机制进行了研究。
It introduces the concrete realization course of the expert system and traverses the inference mechanism based on rule, case, model and hybrid reasoning.
为了实现实验操作的正确性检查，采用产生式系统定义实验规则，使用正向推理策略进行规则匹配。
To implement the check-up of the operations, production system is used to define the experimental rules, and forward reasoning strategy is used for rule match.
专家系统用规则来代表专家，推理并得到合理的解决方案。
Expert systems use rules to represent experts, reasoning in solving problems.
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