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本文主要研究了在PD M环境下针对机械产品零部件进行分类编码的方法及实现技术。
The main research of this thesis carries on the method and application technology of classification and coding system under the environment of PDM.
对现有的分类编码系统存在的问题进行了分析，提出了组合式总体结构及隐含要素的处理方法。
The problems of the present classification code system are analyzed. The unit-type general structure system and the treatment of implication factors are proposed in this paper.
对分类进行编码的设计及特例组织的研究。
Studying on designing the code of classification and organizing exception ontology.
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