根据结构实体几何法（CSG）建模思想，采用层次化、结构化的建模方法，构建了机床本体（包括刀具）模型；

On the basis of the idea of CSG modeling method, the hierarchical structural modeling method was adopted to construct machine(including tool)model.

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本文比较了目前比较成形的几种知识模型构建方法，分析了在知识建模领域存在的问题，提出引入本体方法的必要性和可行性。

This paper compares several constructing method of knowledge model, sets up the necessity and possibility of introducing Ontology into knowledge modeling area after analyzing the current problems.

youdao

本文比较了目前比较成形的几种知识模型构建方法，分析了在知识建模领域存在的问题，提出引入本体方法的必要性和可行性。

This paper compares several constructing method of knowledge model, sets up the necessity and possibility of introducing Ontology into knowledge modeling area after analyzing the current problems.

youdao