The geometrical approximation theory of evaluating geometrical errors is put forward and modeled.
提出球度误差评定的几何逼近原理，并对算法进行了建模。
The unified mathematical model for evaluating geometrical errors is created with the theory of point set topology.
用点集拓扑学理论，建立了形位误差评定的统一数学模型。
This paper describes a method for the homogeneity measurement of optical material which is free from the system errors and the sample geometrical errors.
本文叙述了一种不受干涉仪系统误差及试样加工误差限制的测试光学材料均匀性的方法。
This paper presents the methods to control geometrical errors based on the establishing of the link between geometrical errors and the parameters of tool path planning.
作者基于分析和建立加工曲面的型面几何偏差与加工刀位规划参数的关系，提出几何误差的控制方法。
Based on the analysis of the geometrical models in a simple flexible suspension bridge, the skyline tension and its errors in calculation were analyzed.
在简易柔性悬索桥桥型几何模型分析的基础上，对主索张力及其计算误差进行分析研究。
Through concrete analysis on the source of image errors, this paper expounds the ways of making geometrical correction for image errors by using digital method.
文章通过对图象误差来源的具体分析，阐述了利用数字方法对图象误差进行几何纠正的方法。
Combining its real geometrical structure, a polishing robot's error model is established and a single point method is used to identify the geometrical parameter errors.
本文首先结合某打磨机器人的实际几何结构，建立了该机器人的误差模型，利用单点法来辨识几何参数误差值；
There are many factors causing errors of gears when machining. The main factors that would affect the accuracy of meshing movement of the gears are geometrical eccentricity and movement eccentricity.
齿轮在加工中产生的误差原因很多，其影响齿轮传递运动准确性的主要因素是几何偏心和运动偏心；
To decrease the relative errors, the pixel transform method was adopted to recover the geometrical feature of sphere fruit surface from projected image while the area of defect was calculated.
采用像素点变换法，实现了根据三维物体的二维投影图像恢复物体表面的真实几何面积的设想，大大降低了缺陷面积计算的误差；
Map scanning digitization is one of the ways to capture spatial data in GIS. After digitization, the geometrical figure and area of a figure may change because of errors.
地图扫描数字化是GIS数据采集的重要手段，地图上的图形经扫描数字化后，其几何形状和面积因误差的存在而发生改变。
The errors in the Marine magnetic gradient measurement are divided into system noise, heading errors, geometrical effects, swell noise and sensor motion.
将影响梯度测量的误差主要分为四种：系统误差、航向磁效应、几何效应、波浪噪声及传感器运动误差。
The errors in the Marine magnetic gradient measurement are divided into system noise, heading errors, geometrical effects, swell noise and sensor motion.
将影响梯度测量的误差主要分为四种：系统误差、航向磁效应、几何效应、波浪噪声及传感器运动误差。
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