Illustrated access to knowledge on the approaches and steps and express formula, established a system of knowledge model and a relationship database based on the knowledge base.
本文阐述了知识的获取方式、步骤和表达式，建立了诊断系统知识模型和基于关系数据库的知识库。
The database design of the system applications based on the relationship between the object-oriented database theory, Convenient access to information, at the same time improve the system scalability.
本系统的数据库设计应用了基于关系数据库的面向对象理论，方便了信息的获得，同时提高了系统的可扩展性。
The database design of the system applications based on the relationship between the object-oriented database theory, Convenient access to information, at the same time improve the system scalability.
本系统的数据库设计应用了基于关系数据库的面向对象理论，方便了信息的获得，同时提高了系统的可扩展性。
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