【Key words】 geometric error evaluation； linear programming； the simplex method； enclosure evaluation； the minimum condition；
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The programs of the geometric error evaluation can be obtained using VC++6.0 language, and systematic classification is made which shows the common characteristics of the problems .
5．编制形位误差评定软件，运用VC++6.0语言编程，通过系统的分类，找出各摘要种评定问题的共性。
参考来源 - 形位误差计算机评定系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
用点集拓扑学理论，建立了形位误差评定的统一数学模型。
The unified mathematical model for evaluating geometrical errors is created with the theory of point set topology.
为了开发形位误差评定系统，在形位误差评定理论及方法进行了研究和探讨，围绕该课题本文主要进行了以下几个方面的研究工作。
Centered around the subject, this paper mainly studies the theory and method of the geometric error evaluation, and the main work is as follows.
针对表面粗糙度和形位误差对圆柱体直径评定结果的影响，在进行圆柱体直径尺寸评定时，需要对表面粗糙度进行滤波处理。
As roughness and form & position errors have an effect on evaluation result of cylinder diameters, it is necessary that roughness is filtered for evaluating cylinder diameters size.
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