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在CIMS环境下，讨论了采用IDEF方法建立MRPⅡ与CAD／CAM／CAPP集成系统的功能模型与信息模型的相关技术。针对MRPⅡ与3C系统的特点并结合工程实例，给出了相应的建模思路、步骤、功能模型图和功能视图。
In CIMS environment, the related technologies of using IDEF to establish the functional model and information model of MRPII and CAD / CAM / CAPP integrated system are discussed. According to the characteristics of MRPⅡ and 3C systems and the engineering examples, the corresponding modeling ideas, steps, function model diagrams and function views are given.