查询词典 datum

Each time the passageway will have the new coordinate system followed, will take its datum coordinate system, like this may obtain the random plane passageway integration block.

每次孔道都会有新的坐标系跟随，作为其基准坐标系，这样就可以得到任意平面的孔道集成块。

By three-dimensional nonlinear finite element method, the breaking mode and stability of 3B dam block of Baise RCC gravity dam is studied, and the breaking mode and stability safety factor of the 3B dam block on a datum plane with steep slope are figured out corresponding to overload method and synthetic method respectively.

采用三维非线性有限元法，对百色RCC重力坝 3B坝段进行破坏模式及稳定性的研究，确定出含陡坡建基面 3B坝段在超载法和综合法下的破坏模式及稳定安全系数。

Jingdianshiwen, written by Lu Deming of the Tang Dynasty, is a preeminence bookmaking which had recorded a lot of alternative pronunciation materials saved in the former works. It had been considered by the scholars the datum and information mine of study on Chinese.

唐代陆德明所撰《经典释文》广泛录存了保存在前人经笺传注中的早期异读材料，是一部集汉魏六朝音义学之大成的杰出著作，历来被学者们认为是进行汉语言文字研究的资料宝库。

The hope for the study of bryophytes in Shanxi Province and China provide datum for the statistics and analysis of bryophyte along with exploit and utility of plant resources in the area of Pangquangou Reserve, and will provide supplementary material .

本研究希望为中国及山西省苔藓植物的研究提供新资料，为本地区植物资源的合理开发利用和保护提供理论依据。

It introduces Survey control network pattern choice and its arrangement, cross river water level datum survey, single shaft orientation during pipe jacking for cross river cable tunnel at FuXing Road East, as well as design and application of Xiong Ying pipe jacking automatic survey guiding system applied in vertical curvature pipe jacking survey.

提 要：本文介绍了复兴东路220kV电缆越江隧道顶管工程施工测量中控制网的选形与布设、跨江水准测量、单井定向，以及雄鹰顶管自动测量引导系统在竖曲线顶管测量中的设计与应用，对类似作业及相应的工业软件开发极具参考价值。

This design is to dials forks the components the processing craft and the jig design, its components are the forging, has the volume to be small, components complex characteristic,Because the surface is easier than the hole to process, when formulation technological process, first the machined surface, then processes other take the surface as the datum,In which various working procedures jig all uses the unit clamp, special regarding processes the big end of hole, the trough and drills the capitellum hole incline eyelet in the working procedure, Chooses locate mode which two sells at the same time, and operates the simple manual clamp way clamp, its organization design is simple, the convenience also can satisfy the request.

此次设计是对拨叉零件的加工工艺和夹具设计，其零件为锻件，具有体积小，零件复杂的特点，由于面比孔易加工，在制定工艺规程时，就先加工面，再以面为基准来加工其它，其中各工序夹具都采用专用夹具，特别的对于加工大头孔、槽和钻小头孔斜面小孔的工序中，选一面两销的定位方式，并以操作简单的手动夹紧方式夹紧，其机构设计简单，方便且能满足要求。

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。

Does a case history count as a single datum, or as a collection of them?

个人历史是算作一个简单的资料，还是作为其中的一个收集？

Data structure,Have one or many kinds of characteristic datum set of element of relation each other.

数据结构，互相之间存在一种或多种特点关系的数据元素的集合。

This article is based on studies of the "qing lou"in the Ming Dynasty Nanking. It will describe and investigate the historical phenomenon in the angle of history, musicology, sociology and promulgating. And this disquisition will also fully exhibit the visage of the "Qinglou" culture as long as the significance of the prostitutes through the investigation of the literary history, chorography and the intermezzo datum.

本文选取明代南京青楼音乐文化作为研究对象，从历史学、音乐学、社会学和传播学的视角对这一历史现象进行描述和研究，旨在通过研读明代文史资料、地方志、戏曲资料等的基础上，全方位展现明代南京青楼音乐文化的面貌，阐明青楼女艺人在明代音乐历史的重要作用。

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