【摘要】 本文以三维辅助设计软件 Ｐｒｏ／ Ｅ Ｎ Ｇ Ｉ Ｎ Ｅ Ｅ Ｒ 设计开发接触器为例。介绍三维计算机系统的功能与特点、组成、硬件要求以及在产品设计开发中的应用。更多还原

【Abstract】 Taking the designing software of Pro/Engineer as an example,3 D CAD systems are introduced.The system function and features are described.The components and hardwave of the systems are presented.The applications in the product designing development are also presented. Taking the designing software of Pro/Engineer as an example,3 D CAD systems are introduced.The system function and features are described.The components and hardwave of the systems are presented.The applications in the product designing development are also presented.更多还原