Collaborative design of stamping product is an activity which takes knowledge as center.
冲压产品的协同设计是一个以知识为中心的活动。
By analyzing the components of an activity and the relationship of the process modeling, a topological structure of the collaborative design process management system was presented.
通过分析活动的组成及与过程建模的关系，提出了一种协同环境下设计过程管理的体系结构。
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