Based on this model a computer aided optimum design system of die bearing length and openings layout for aluminium profile extrusion is developed.
根据该模型开发了铝型材挤压平模工作带长度和模孔配置的计算机辅助优化设计系统。
This paper deals with a Computer aided design system for circuit layout and presents a mathematical model of circuit layout design and its implementation on IBM PC/XT.
作者研究一个在IBM PC/XT型微型计算机上实现的计算机辅助电路布图设计系统。提出了电路布图设计的数学模型；
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