基于三轴数控机床的空间误差模型，使用三维步距规识别数控机床空间几何误差。
Based on error model, the three dimension-stop gauge was used to identify the space errors of CNC machine tools.
在影响超精密加工工件面形精度的诸多因素中，机床的空间几何误差与运动误差往往占主要作用。
Among the factors that affect the workpiece form accuracy, space geometry errors and kinematic errors usually play the main part.
提出了根据空间立体几何原理对桶形基础平台进行桶基安装误差测量并保证安装精度的方法。
Based on the theory of solid geometry, a survey method to measure the bucket foundation installation error and ensure the installation precision is presented.
最后对三维工作空间进行了几何误差分析，并说明了该方法对工程实际问题的应用价值。
Finally the geometrical error analysis of the workspace was conducted, and the engineering value of the method was presented.
该文基于空间啮合理论，利用微分几何方法首次对该种齿轮的齿形误差与齿向误差进行计算，并给出计算实例。
Based on the space gear engagement theory, a new way to calculate the profile errors and axial errors is developed for the first time and a numerical example is presented.
该方法通过测量XY,YZ,XZ平面内特定圆周上各点的空间误差，可获得所有21项几何误差。
All the 21 geometric errors can be obtained by the means of measuring volumetric errors on some specific circles in XY, YZ, XZ planes.
该文针对某型三轴仿真转台的结构和工作原理，探讨了影响系统空间误差的各个误差源，总结出三轴转台的全部几何运动误差。
Concerning the structure and principle of a three-axis table, this paper discusses all error factors, which affects the space error of system, and summarizes all volumetric errors of three-axis table.
为了获取遥感影像几何纠正误差空间分布情况，提出一种纠正控制点误差传播模型。
In order to obtain a residual error map for remote sensing data after geometric correction, a GCP error propagation model was proposed.
为了获取遥感影像几何纠正误差空间分布情况，提出一种纠正控制点误差传播模型。
In order to obtain a residual error map for remote sensing data after geometric correction, a GCP error propagation model was proposed.
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