With the development and popularization of Internet/Intranet, computer aided design (CAD) system, as an important part of computer integrated manufacturing system (CIMS), has been changing quickly.

• 计算机辅助设计(CAD)作为计算机集成制造系统(CIMS)的重要组成部分，正在随着Internet/Intranet的发展与普及而发生迅速地变化。