测量基准

基于VRS系统建立城市三维大地测量基准

Establishing 3D geodetic datum in Suzhou City Based on VRS system

构建山东省新一代大地测量基准的技术关键

Key technology for constructing new provincial geodetic surveying datum of Shandong

七岁时进行的测试为孩子在学校中的学习发展提供了一个测量基准。

Tests at the age of seven provide a benchmark against which the child 's progress at school can be measured .

微观不平度十点高度Rz值测量基准线的选取

The Selection of Ten-Point Height of Irregularities R_z for the Measuring Bearing Line

基于连续运行GPS基准站系统的城市三维大地测量基准建设方案探讨

Discussing of the construction project of 3D standard of geodetic survey in city which is based on uninterrupted working GPS base station system

并探讨了KDP作为非线性晶体材料三阶非线性系数测量基准的可行性。

As a result , we discussed the possibility of using KDP as the standard in measuring the coefficient of nonlinear optical crystals .

GPS声纳浮标是水下DGPS高精度定位导航系统的主要组成设备，是通过动态GPS定位技术对其进行实时定位，为水下定位建立海面测量基准。

GPS sonobuoys are the main components of the high precision underwater DGPS positioning system . They are positioned in real time by the dynamic GPS positioning technique , meanwhile to establish the surface measurement base-line for underwater positioning .

以上均按三年期测算；1980年香港大地测量基准

As measured over a three-year period ; Hong Kong 80 Geodetic Datum

未知型线凸轮的测量基准点的确定

Determination of base point of measurement for unknown-outline cams

面向数字中国建设中国的现代大地测量基准

Towards Digital China the Modernization of Chinese Geodetic Datum

圆柱度仪测量基准的误差分离技术

Error Separating Technique of Measuring Datum of Cylindricity Instrument

测试实战服务测量基准，或是其他我不懂的东西。

Testing field service modules , or something like that I have no idea .

轨道交通一号线二期测量基准的建立与一期铺轨前复测分析

Datum Determination of Surveying and Repetition Analysis in Wuhan No.1 Express Rail Transit Engineering

海道测量基准面传递的数学模型

Mathematical Models for Hydrographic Datum Transfer

导航、定位就是确定运动体的姿态和位置等参数，一个精确的测量基准是实现准确定位的首要基础。

Navigation and orientation is to define the parameters of aerocraft , including the attitude and location .

永久性潮汐与大地测量基准

Permanent Tides and Geodetic Datum

高等级公路测量基准面的确定及长度变形分析

Determination of Datum Surface of Horizontal Control Net and Analysis of Length Projection Deformation for High-grade Highway Surveying

以套圈锁点为测量基准是较好的测量方法。

It is a better measuring method using the locking point of ring as a measurement basic point .

利用气浮均化技术提高测量基准精度的研究

Study of Employing Air Film 's Character of Averaging Flatness Error to Improve the Precision of Measuring Benchmark

上海磁悬浮列车工程专门设计施工了两座基岩水准标，作为沉降监测的测量基准。

In Shanghai , two bedrock bench marks are designed and constructed , as surveying datums for settlement monitoring .

阐述了一些复杂零件如何合理选择测量基准，以提高零件的测量精度，减小检测误差。

It is illustrated how to reasonably select measurement reference for complex parts in order to improve measuring accuracy and lower measuring error .

获取高精度、高分辨率大地水准面是建立现代大地测量基准和地理空间基础框架的基础性工作。

To get the high precision and resolution quasi-geoid is a basic work to establish modern geodetic survey datum and geographical spatial basic frame .

对大地测量基准中所使用的无潮汐、平均潮汐和零潮汐等概念和相关计算进行了推导和讨论。

Besides , the concept and relevant computation formulae for the effects from the non tide , mean tide and zero tide are derived .

系统采用了筛选计量采样图像的方法，排除了测量基准参考点选择不当的测量误差。

Using the sieving to calculate the samples of image , the system can remove the error when chooses the unapt basic testing reference .

压力容器及零部件的形状和几何尺寸检验，涉及到如何正确选择量具，如何正确使用所选择的量具，如何选择测量基准等问题。

It deals with the questions about how to select and use the measuring instrument , and how to choose the survey datum exactly .

测绘现代化离不开高精度的大地测量基准，本文围绕四维坐标系中的速度场建模展开研究。

The high-precision geodetic datum is significant to the modern surveying . The researches on Velocity Field Modeling of4_D Coordinate System are studied in this project .

现有游标深度尺的功能单一，对测量基准面无法直接触碰的深度尺寸难以精确测量。

Currently available vernier depth gauges are simple in measuring function , especially in measuring precisely the no touchable directly depth of the measuring datum plane .

在此基础上为建立测量基准的传递方法、形成系统的光电侦察平台总体检测技术提供必要的准备和基础。

To set up transmission measurement method datum to form general measurement technique of systemically photoelectric reconnaissance platform , the static and dynamic angles were measured .

然后利用直角棱镜、透镜、波片等光学元件搭建了光路系统，该系统利用半导体激光器作为测量基准光线，两个互相垂直的直角棱镜作为反射元件，四象限探测器作为光电接收器。

In the system , a beam coming from semiconductor laser is as the standard light and two mutual perpendicular prisms are used as reflective device .

在高层及超高层建筑工程中，测量基准传递和轴线、垂直度、高程控制是建筑物施工质量控制的重点内容之一。

The transforming of survey datum and the control of axis , vertical level , elevation are of great importance on controlling quality of high-rise building construction .