This paper discussed the interactive design method of packing structure graph in color preprinting system.
本文研究适合于彩色印前系统的交互式包装结构图设计方法。
On the basis of electrical connect graph drawn, the generally used method of graphic modeling of power system and the automatically identification of power network topology structure are studied.
研究了基于所绘电气接线图的电力系统通用的图形化建模方法,以及电网拓扑结构的自动识别。
This article introduces the structure of steam jetting vacuum system's CAD software, mainly talks about the method of its optimum design, parameter graph and automatic assembly.
该文介绍了水蒸汽喷射式真空泵CAD软件的体系结构,着重论述了喷射式真空泵参数优化、参数化绘图及两维零件图自动装配的实现方法。
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