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文章基于并行工程的需求，参考ＳＴＥＰ标准，建立了面向并行工程的集成产品信息模型，并重点分析其中的功能模型。用该方法实现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
Based on the requirements of concurrent engineering and referring to the STEP standard, the article establishes an integrated product information model for concurrent engineering and focuses on the functional models. Using this method to achieve the information integration of CAD / CAPP / CAM, which laid a good foundation for the information integration and function integration in the process of product parallel development