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针对并行工程的需求提出广义特征概念，基于广义特征和参考ＳＴＥＰ标准，建立了面向并行工程的集成产品信息模型，借助所建立的集成产品信息模型实现ＣＡＤ／ＣＡＰＰ／ＣＡＭ的信息集成，从而为实现产品并行开发过程的信息集成和功能集成打下了良好的基础．
The concept of generalized features is proposed for the requirements of concurrent engineering. Based on the generalized features and reference to the STEP standard, an integrated product information model for concurrent engineering is established. With the help of the integrated product information model, the information integration of CAD / CAPP / CAM is realized, Product parallel development process of information integration and functional integration laid a good foundation.