设计活动是产品开发过程中最重要的环节之一。在设计过程中，概念设计是最富创新性的阶段。
Design activity is one of key points in the products development procedure, while conceptual design is most important in design activity.
协同设计是计算机支持的协同工作的概念和技术在产品开发过程中的应用。
CSCD (Computer Supported Collaborative Design) is that the concept and technology of CSCW (Computer Supported Collaborative Work) are applied in the development process of products.
简明阐述了逆向工程技术的基本概念及几个关键问题，介绍了基于逆向工程的产品设计开发过程。
The element concept and some key problems of reverse engineering are elaborated. The design process of motorcycle fuel tank based on Reverse engineering is produced.
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