constraint-based parametric design 基于约束的参数化
Three algorithms for function constraint based parametric graph design are presented, and some results in practice are offered.
在实践的基础上总结提出了基于功能约束的参数化图形设计的三种算法，并给出了部分实践的结果。
Parametric geometry modeling technique based on constraint is a kind of new typed rapid method of modeling.
基于约束的参数化几何造型技术是一种新型、快速的造型方法。
According to the complex mechanical parts with multiple position relations, we proposed a method of parametric design based on assembly constraint relations.
首先分析了零组件的一般参数化设计的常见方法，针对存在的定位关系复杂组件，提出了一种基于装配关系的参数化设计方法。
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