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采用特征技术描述零件的几何和工艺信息，采用面向对象的框架结构组织工艺规则，以框架推理为主导，规则推理为核心的复合型推理控制策略，实现了冲裁工艺规划专家系统。
The feature technology is used to describe the geometry and process information of the part, the object-oriented frame structure is used to organize the process rules, the frame reasoning is the leading and the rule reasoning is the core composite inference control strategy, and the punching process planning expert system is realized.