The basic structure and form definition in object oriented knowledge representation is given out.

然后给出了面向对象知识表达中对象的基本结构和形式定义；

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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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