该系统还在知识库构造阶段引入知识重构机制，对原有的知识库进行精简和重构。
This system also introduces a mechanism for knowledge reconstruction during building knowledge base to refine and restructure the primitive knowledge base building.
研究基于本体论知识库构造方法及相应的检索方法，以此作为系统实现的技术基础。
Results Ontology based approach for building knowledge base and relevant retrieve technology as keynote.
智能教学系统中，知识库的构造决定了学科知识组织的条理性和智能推理过程的有效性。
In an intelligent teaching system, construction of knowledge base determines the validity of knowledge organization and efficiency of intellectual reasoning.
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