According to the requirements of concurrent design of conceptual design and tolerance design, tolerance representation model based on function surface was studied.
为实现概念结构与公差并行设计，提出了基于功能表面的公差表示模型。
Representation of tolerances is a basis for tolerance analysis and synthesis. Proposes a computer-aided representation method to represent geometric tolerances.
公差的存储表示是公差分析和公差综合的基础，提出一种几何公差的计算机辅助表示方法。
The representation of tolerance semantics is systematically deduced based on its mathematical definition that can characterize the semantics exactly an…
基于公差的数学定义，系统地推导了各种类型公差的三维语义表示方法，准确完整地表示出了其语义；
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