Second-generation phototypesetter A computer aided phototypesetting system using flash tube as the light source and a rotating film matrix for exposing the film or paper.
第二代照排机电脑辅助的照相排字系统。它用闪光管作光源，把旋转中的菲林字母板上的字体影排队于菲林或相纸上。
It does not provide drawing (CAD - Computer Aided Design) or G-code generation from the drawing (CAM - Computer Automated Manufacturing) functions.
它并不提供绘图(CAD -计算机辅助设计)或生成G代码(CAM -计算机辅助制造)的功能。
This paper presents a computer-aided method of automatic generation of dimension chains and penalty function-based tolerance genetic optimization, and the corresponding software has been developed.
研究了一种计算机辅助的交互式尺寸链自动生成方法和基于惩罚函数法的公差遗传优化算法，编制了相应的软件。
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