The process definition can be created and modified intuitionisticly and conveniently through the tools of visual process definition.
提供图形化的过程定义工具，使用其可直观方便的创建、修改流程定义。
The paper gives definition and sort of product prototype, and points out that visual behavior of product in computer is product visualization prototype during the process of conceptual design.
文章给出了产品原型的定义和分类，指出了在概念设计阶段计算机上关于产品的可视化形象是产品虚拟原型。
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