查询词典 datum line

A line of punch positions parallel to the Y datum line of a punch card.

和卡片的y基准线平行的一行穿孔位置。

The main purpose of the thesis is: to study the method to get a highly stable straightness datum line.

论文的主要目的是：研究和实现建立高稳定直线度基准的方法。

Feasibility of a kind of guiding datum line of linear motion in large distance using strained wire is analyzed.

对以张力金属丝作为大长度直线运动导引基准的可行性进行了分析，给出了系统的工作原理。

Data processing mainly discussed data predisposing, datum line calculating and the smooth level of network.

数据处理主要讨论了数据预处理、基线解算和网平差。

Its accuracy and efficiency are very low. Now in the process of installing an elevator, laser beam is used as the datum line instead of weight line.

因此，开发一种能对电梯导轨的综合质量进行连续、快速、高精度检测的仪器是非常有必要的。

In order to achieve accurate straightness measurement, the key to the question is to remove or reduce all kinds of errors which influence the stability of the datum line so that a stable datum line can be gotten.

论文中通过对现有直线度测量方法的分析认为，要实现高精度直线度测量，其关键是必须消除或减小影响基准直线稳定性的各种误差因素，从而建立一条高度稳定的空间基准直线。

The L.P.G. is made of pay increase up line, pay increase datum line and pay increase down line.

而工资指导线由工资增长上线、工资增长基准线和工资增长下线组成。

An inspection method based on computer vision which can make road marking to track datum line was put forward, and the relevant datum line inspection device which can send out hint was developed.

提出了一种基于机器视觉的道路划线车跟踪基准线的检测方法，并开发了相应的基准线检测装置，当划线车跑偏时能够给出提示。

In CDM project, datum line setting is problem of a core, but the practice that still does not have unified, authority domestic and internationally to datum line setting at present, setting method is more confused, u.N.

概要： 清洁发展机制是一种促使各行业实现节能减排的有效方法，而水泥生产一直是我国能源消耗和污染物排放的大户，假如能开发和申请CDM项目，将会给水泥行业带来良好的环境效益和显著的经济效益。

The paper reports on a study of datum line s errors, in addition to comparing geodesic line with short range line while expanding various kinds of shell plates and analysis error incurring reasons and error s distribution law.

本文把不同外板展开方法的测地线和短程线进行比较，分析其误差产生的原因和分布规律，从而来研究外板展开准线的几何精度。

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