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新一代GPS语言基于参数化几何学及向量代数等应用数学的方法 ,通过表面模型、要素、恒定类、恒定度、本质特征和方位特征等概念的引入和互补应用 ,实现了几何要素从定义、描述、规范到实际检验 /认证过程中数字化控制功能的飞跃 ,比较有效地解决了产品在“功能描述、规范设计、检验 /认证”过程中数学表达统一规范的难题。本文介绍了新一代GPS语言中所提出的要素、恒定类、特征等概念和定义 ,并讨论了它们的应用。
The new generation GPS language is based on the application of mathematical methods such as parametric geometry and vector algebra. By introducing and complementing concepts such as surface model, feature, constant class, constant degree, essential feature and orientation feature, Description, specification to the actual inspection / certification process of digital control leap, more effectively solve the product in the “functional description, standard design, testing / certification” in the process of a unified mathematical expression of the problem. This paper introduces the concepts and definitions of elements, constant classes and features proposed in next generation GPS language and discusses their applications.