datum line是什么意思

网络释义

用法例句

As the reference datum for the precision,the datum for covariance presented by the author is not the same as the datum for coordinates.

本文所提出的协方差基准的概念 ,用来定义相对点位精度和绝对点位精度有其客观性和实用性 ,协方差基准作为控制网点精度的参考基准 ,并不重合于网点坐标的参考基准—坐标基准 ,而可按应用的需要 ,方便地进行协方差基准转换。

This paper elaborates The Chengdu Standard Baseline characteristic and theoretical basis of design,and gives a detailed information of the interference and EDM coordinate observations,calculation results from the interference measurements and analysis of accuracy.

本文较详尽地阐述了成都标准基线场的设计特点及其理论依据,并介绍了光干涉测量及其配合的EDM测量、光干涉测量计算结果和精度分析。

Researches on the Realization of Satellite Navigation Coordinate Reference System;

卫星导航系统坐标基准建立问题的研究

Transformation of Astro-geodetic Network Coordinate System into China Geodetic Datum 2000

天文大地网坐标系统到2000国家大地基准的转换

Stabilization Model of Line of Sight and Axis of Firepower Based on Warship Coordinate System

基于舰体坐标系的瞄准线与火力线稳定模型

STABILITY TEST OF DATUM MARK SET IN DEFORMATION MONITORING NETWORK WITH POLAR COORDINATES SURVEYING

极坐标测量变形监测网稳定基准点组的检验

Analysis and Solution to the Question in ArcGIS Registration Based on Latitude and Longitude Coordinates

基于经纬度坐标的ArcGIS配准问题分析与解决

Method of 2D and 3D Radar Registration and Its Application

两坐标与三坐标雷达配准方法及其应用分析

Analysis & Solution of Oversize Error Problem During Measuring Coaxiality of Part with Short Reference Axis by CMM

坐标测量机测量短基准零件同轴度时误差过大问题的分析与解决

Robust Estimation with High Breakdown Contamination Rate for the Coordinate Transformation of GPS Datum Network in Guqiao Coalmine

顾桥煤矿GPS基准网坐标转换的高崩溃污染率抗差估计

Multiple Mobile Platforms on-Line Registration in Earth-Centered Earth-Fixed Coordinate System

基于地心地固坐标系的多运动平台实时配准方法

The scale conversion and the dimension benchmark unify of the aircraft coordinate in GPS precision judging

GPS精度鉴定中机载坐标系的测量转换与空间基准统一

The Application of DMIS to Coordinate Measuring Technology;

DMIS标准在坐标测量技术中的应用

areal coordinates

重心坐标, 面坐标

numeraire(ny meirer)n. French. standard for currency exchange rates

货币交换率标准; 定值标准; 计价标准; 基准货币

reference cavity

标准[基准]空腔谐振器

NSRDS (National Standard Reference Data System)

国家标准基准数据体系

based on or prescribing a norm or standard.

以标准为基础或指定一个准则或标准。

Application of Coordinate Parallel Method in the Research on Standard Lead Vector by Theoretical Inference

用坐标平行法研究标准导联矢量的理论推导

Traditional coordinate measuring machines (CMMs) with Cartesian coordinate system, columniation coordinate system and other coordinate systems are widely used.

传统的坐标测量机大都基于一种几何坐标系,如笛卡儿坐标系,柱坐标系等。