From the decision table defined by history fault data, we reduce the decision table in rough set theory and build the knowledge base model of expert system.
该系统从历史故障数据所形成的决策表出发，运用粗糙集理论进行约简，构建专家系统知识库模型。
From the decision table defined by history fault data, we reduce the decision table in rough set theory and build the knowledge base model of expert system.
该系统从历史故障数据所形成的决策表出发，运用粗糙集理论进行约简，构建专家系统知识库模型。
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