After analyzing the whole processes of Virtual Manufacturing (VM), a new model framework for mechanical products is proposed, which is based on productdefinition unit (PDU).
在深入分析产品虚拟制造全过程的基础上，提出了基于产品定义单元(pdu)的虚拟产品模型框架。
2
In this paper, the author analyses the character of automobile body products by discussing the data types of productdefinition, and thereby proposes definitive model of automobile body product.
通过阐述产品定义数据类型，分析了汽车车身产品特点，提出了汽车车身产品定义模型。
3
Because personas model goals and not simply tasks, the scope of the problems addressed by scenarios can be broadened to include those related to productdefinition.