优选辅助计算系统具有友好的人机交互界面，操作方便，显著提高了工作效率。
The computer assistant system which has friendly man-machine interface is easy to operate and significantly improve the work efficiency.
对火力发电厂矩形烟风管道设计中的难点进行了讨论，分析了矩形管道进行计算机辅助计算的可行性，提出了解决方案，介绍了开发的一套辅助计算系统。
The design technology of rectangular air & flue gas ducts is discussed in this paper. Based on the detailed analysis for the feasibility, a rectangular air & flue gas ducts CAD system is developed.
两个非政府网站向公众提供来自计算机辅助情报检索系统的信息。
Two non-governmental websites offered information from CAIRS to the public.
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