信息模型的建立是用框架法表示的，输入途径一条是通过CAD与CAPP集成实现信息的自动获取，另一条是通过人机交互界面实现信息输入。
The information models are developed by frame. One method of information input is realized by the integrating of CAD and CAPP, the other is by man machine interface.
除了全自动的改进四叉树法和交互的映射法，只有少数方法生成四边形网格。
Except automatic generation quadtree method and interaction mapping method, few methods could generate quadrangle mesh.
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。
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.
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