Here, we set up the repository by the Object-oriented knowledge representation, using rational database to storing and managing data.

这里我们使用面向对象的知识表示来讨论建立知识库，利用关系数据库存储和管理资料。

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Based on fault tree analysis (FTA) theory, an object-oriented knowledge representation method in a fault diagnosis expert system for machine tools was studied.

针对所研究的机床故障诊断专家系统，以故障树分析法为基础，采用面向对象的事件知识表示方法。

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By classification of the milling knowledge, this paper researched the application of object-oriented knowledge representation in the milling parameter optimization expert system.

通过对铣削知识的整理分类，对产生式知识表示法和面向对象知识表示法在铣削参数专家系统中的应用进行了研究。

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