Computer Aided design (CAD) is an advance technology of modern engineering and product design. CAD has an important value and is applied widely in all fields of industry.

计算机辅助设计(CAD)是现代工程及产品设计的先进技术，在工业各领域有着广泛的应用和重要的推广价值。

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This paper introduces researching and the future trend of computer aided engineering in product conceptual design and computer aided conceptual design.

介绍了产品概念设计中的计算机辅助技术，即计算机辅助概念设计的研究现状与发展趋势。

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