计算机辅助软件工程工具的有效性有限，原因之一是软件过程多种多样。
One reason the effectiveness of CASE tools is limited is because of the immense diversity of software processes.
介绍了北京钢铁研究总院采用计算机仿真技术与计算机辅助设计技术，开发出具有优化功能的钢管冷拔过程CAD系统通用软件。
The paper introduces CAD system of steel tube cold drawing process which is a software with optimum function developed by Iron & steel General Institute on basis of computer imitation technology.
本文介绍了母线槽施工计算机辅助设计软件JDM CAD中母线编辑的实现原理和过程。
The JDM CAD is a busbar's construction computer aided-design software. The principle and process of busbar's edit were introduced in this paper.
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