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应用成组技术原理，采用基于特征的设计来建立零件的信息模型，通过直接访问内存变量的方法，实现系统间的信息交换与共享，从而达到ＣＡＤ／ＣＡＰＰ的集成
Application of group technology principle, the use of feature-based design to establish part of the information model, through direct access to memory variables, the exchange of information between systems and sharing, so as to achieve CAD / CAPP integration