Product information modeling is the foundation of product design activity.
产品信息建模是产品设计活动的基础。
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。
The activity diagram, use case diagram, sequence diagram, collaboration diagram and the class diagram are used for building the analysis and design model of the sedimentary facies modeling system.
系统中采用了活动图、 用例图、顺序图、交互图和类图建立沉积相建模系统的分析和设计模型。
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