查询词典 datum

Since a straightness inspection system for long shaft needs line and angle datum,a method of straightness inspection using cross laser for long shaft is proposed in this paper.

针对长轴直线度检测需要直线和角度基准问题，本文提出采用十字线激光束的长轴直线度检测方法。

This paper discusses the problems met in static test as the setting of datum line beam and reference stake,compaction of main beam by jack,loading side test,and quick and slow loading method,in order to ensure scientificity and accuracy of static test data,and to improve the quality of pile foundation detection and the reliability of detection evaluation result.

对基准梁与基准桩的设置、主梁压实千斤顶、边堆载边试验、慢速与快速加荷法等静载试验中遇到的问题进行了探讨，以保证静载试验数据的科学性和准确性，从而提高了桩基检测工作的质量和检测评定结果的可靠性。

In mechanical industry, high precise coaxiality test of large mechanical components was considered as a complicated problem, because it was very difficult to find a datum line with high precise in long distance.

大型机械零部件同轴度高精度测量是机械行业的共性技术难题，其技术关键和难点在于建立长跨距的高精度测量基准线。

By adopting the high performance of directional property and brightness of laser, a diagram for establishing a plumb datum line with the method of rotation and circle center tracking is presented.

利用激光本身的方向性好、亮度高等优点，提出以激光垂准仪为基本部件，用旋转跟踪圆心法建立铅垂基准线的方案。

This paper brings forward the ether technology of filtration and store - forward switching based on FPGA, this technology can deal with 20 channels gigabit Ethernet datum at line speed.

国防科技大学机电工程与自动化学院，长沙 410073摘要：提出了基于FPGA的多路千兆以太网信号的筛选与存储转发交换技术，该技术可以线速处理20路千兆以太网数据。

The paper mainly studied one kind of hydraulic automatic leveling control device based on soft datum plane.

研究了一种基于软基准面的液压自动调平控制装置。

It is important to set up perfect datum plane in engineering measurement as well as geometry parameters′ shape and positional error inspection.

基准平面的确立，是进行表面参数评定的基础；建立理想的基准平面，在几何量形位公差检测及相关工程测量方面具有重要作用。

The characteristics of sediment dynamics and the continued sediment time are discussed through analysis of various cycles of datum plane.

通过各种级别基准面旋回特征分析，讨论了穆棱组的沉积动力学特征和沉积延续时间。

In this paper,on the basis of the the problems practically existing on the datum plane adopted in coastal engineering,we have proposed ...

本文根据海岸工程使用基准面存在的问题，提出了以黄海水均海平面为海岸工程的基准面并讨论了从旧有各基准面过渡到统一基准面的有关问题。

The element tree for a datum plane feature is documented in the header file ProDtmPnt.h , and has a fairly simple structure.

一个基准点特征的元素树被文档化在头文件 ProDtmPnt.h ，有个非常简单的结构。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了