最后介绍了作者开发的面向并行工程的计算机辅助夹具设计系统的原理结构和功能，并给出夹具设计实例。
Acurrent engineering oriented computer aided fixture design system, developed by authors, is introduced in brief, and a concurrent fixture design is presented as an example.
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.
本文主要介绍TP STD计算机辅助溢流阀动态特性测试系统的硬件，软件的设计及其特点。
This paper presents the design and the characteristics of both hardware and software for the TP STD computer assisted dynamical characteristics test system of the relief valves.
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