In my last installment of this column, I discussed how XML knowledge management systems such as RDF shed a different light on age-old problems of data design and modeling.
在本专栏的上一篇文章中，我讨论了诸如rdf这样的XML知识管理系统是如何另辟蹊径解决数据设计与建模这些老问题的。
On the basis of process modeling of conceptual design in virtual enterprises, the types, features, forms, and distributed situations of the knowledge needed by the process are analyzed.
在虚拟企业概念设计过程建模的基础上，分析了该过程所需知识的类型、特点、存在形式和分布情况，并在此基础上提出了虚拟企业基于知识的概念设计系统的系统框架。
The product CAD modeling and implementing technology based on the Axiomatic Design and knowledge driven are put forward.
提出了基于公理化与知识驱动的产品CAD模型建立方法及实现技术。
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