Then we focus on the knowledge base design and analysis, including the semantic base, mapping base and rule base.
接着重点研究了知识库的设计，包括语义库、映射库和规则库。
The methods of improving efficiency of rule-type expert system include the reasoning machine design, knowledge base design and the integration with other advanced technologies.
规则式专家系统效率的提高方法，包括推理机和知识库设计及与其他先进技术结合等三个方面。
Finally, the thesis develops expert system of engine fault diagnosis, and introduces setting-up and maintenance of knowledge base, design of reasoning mechanism and so on in detail.
最后，课题对发动机故障诊断专家系统进行了开发，并详细介绍了知识库的建立和维护、推理机制的设计等。
Finally, the thesis develops expert system of engine fault diagnosis, and introduces setting-up and maintenance of knowledge base, design of reasoning mechanism and so on in detail.
最后，课题对发动机故障诊断专家系统进行了开发，并详细介绍了知识库的建立和维护、推理机制的设计等。
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