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.
轮廓度误差是零件形位公差国家标准和国际标准中应用广泛而又难于测量和评定的项目。
The profile error is the item which applies widespread but difficult to measure and evaluate in country standard and international standard of the components shape error and position error.
轮廓度误差是零件形位公差国家标准和国际标准中应用广泛而又难于测量和评定的项目。
The profile error is the item which applies widespread but difficult to measure and evaluate in country standard and international standard of the components shape error and position error.
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