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。
By the discussion and analysis of system functions and configuration, knowledge representation, error tolerance capability of the system, etc, the features of H-ES and presented.
结合系统功能及结构，知识表达，系统的容错能力等方面的讨论分析，本文展示了H - ES系统的特点。
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。
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