1. They use a computer system to organize their data.
    他们利用一个计算机系统整理数据。

2. History confirms this general datum.
    历史验证了这个论据。

3. datum是什么意思

3. The unknown number can be calculated from the data.
    通过已知数可以算出未知数。

1. datum的翻译

1. 基准面：Datum为大地基准面对象,如果采用非地球坐标(NonEarth)无需定义该参数;Bounds为地图坐标范围,是一矩形对象,非地球坐标(NonEarth)必须定义该参数;高斯-克吕格:投影代号(Type),基准面(Datum),单位(Unit),中央经度(OriginLongitude),

2. 好好学单词·英语单词大全

2. 数据项：实体代表了分离的数据系列(disjoint sets of data),每个数据项(datum)只位于一个实体中,实体中的数据决不与其它实体的数据交叉(overlap). 从程序员的角度看,唯一标识的实体表明了序列化的范围,这个概念对伸缩设计的应用程序行为有巨大的影响.

1. Basing on the abundant investigating datum, the paper researches on trip feature of residents and transportation status, then analyzes the condition of implementing different working hour.
    在大量调查资料的基础上研究了目前北京市居民出行特征和道路交通状况，并分析了错时上下班措施的实施条件，认为在北京市实施该措施所能达到的效果有限，北京市缺乏实施错时上下班的基础和条件。

2. datum

2. It can realize personnel know the comprehension occasionally、automatic report and real-time datum of reservoir to control and attemper the interrelated quotiety of every reservoir; In addition, it may inspect the safety of reservoir real-time through the sound annunciator, it has alarm hint through telephone as well as exceeding the target of danger. This function is order to eliminate hidden trouble.
    通过该系统的语音查询部分实现相关人员对水库信息的实时了解，自动汇报准确、实时的数据，以达到控制和调度各个水库的相关系数；另外，通过其语音报警部分对各水库的安全进行实时监测，一旦超过危险指标，就会自动通过电话给有关负责人进行报警提示，达到预报和防范的目的，以便作出更好的计划和措施来消除隐患。

3. datum

3. In this paper analyze a great deal of practice datum, know hard stratum has important effect in rock moving application statistic method.
    在整理和分析大量实测资料的基础上，应用数理统计的方法对覆岩中硬岩层对岩移参数的影响进行了研究，找出了岩层移动参数的影响因素与统计规律，对开采沉陷的进一步研究具有重要的意义。

4. Among so many geography datum frameworks, map projection is the only one which can directly incarnate in visualization.
    地舆空间基准闭于地舆信做外达的科教性行闭键做用，而反在寡长的地舆空间基准外，地图投影非独一可以曲交反在视觉上得到曲观体现的一个基准。

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5. Integrated analysis of 7 times heavy rain in Yunnan from July 19 to August 2 based on actual observation weather datum and satellite cloud atlas and Doppler radar image. The results show that: high-low southwest jet stream is important effect system. The maintenance of southwest jet stream provides water vapor, momentum, fast transfer of unstable energy for the lasting heavy rain. The further configuration of plateau shear line and southwest jet stream is necessarily condition about 7 times heavy rain. The lasting heavy rain appeared on big value region of 500hPa vapour flux and vapour flux divergence. The shear cloud band and subtropical high cloud band crossed and confluenced in Yunnan on the satellite cloud atlas. The maintenance and intensification of shear cloud hand and periphery cloud band of subtropical high correspond quite well to heavy rain falling region and cloud band distribution.
    应用实测气象资料，结合卫星云图与多普勒雷达图像分析，对2007年7月19日到8月2日云南少有的7次强降水过程进行综合分析，结果表明：高低空的西南急流是重要的影响系统，西南急流的维持为持续性强降水过程提供了水汽、动量和不稳定能量的快速传递，高原切变线与西南急流的有利配置，是7次持续性强降水过程必不可少的条件；持续性强降水出现在500hPa水汽通量大值区和水汽通量散度辐合区；卫星云图上切变云带和副高外围云带在云南汇合，切变云带和副高外围云带维持、加强的过程与强降水落区的时空分布对应较好。

6. datum

6. Firstly, the status of the production is been analyzed of from surface mining to underground mining of the metal mines in our country; secondly, the Daxingshan mines basic exploiting datum are collected and the exploiting conditions of the mine are grasped; thirdly, it is presented of the used-commonly methods and general steps of mining optimization; after the introduction of the numerical simulation method, the general steps are given of the optimization of the boundary pillar by FEM; the 3-D geological model of Daxingshan mine is set up, and different schemes are carried on by the 3-D finite element software; finally, the numerical results are analyzed, and by comparison, the optimal is offered; moreover, the valuable suggestions are put forward for the production and design of mine.
    首先分析了我国金属矿山露天转井下的生产现状，搜集了大杏山铁矿开采的基础资料，比较全面的掌握了大杏山铁矿开采的条件；论文介绍了进行采矿优化常用的方法和一般步骤；在分析采矿优化设计的数值模拟方法基础上，介绍了基于有限元法的露天转井下境界顶柱优化的一般步骤；针对大杏山铁矿的开采条件，采用三维有限元软件建立了数值模拟的三维地质模型，针对可能的开采情况制定了不同的数值模拟方案，并应用三维有限元软件进行了数值模拟；最后整理数值模拟的结果，对比分析几个模拟方案，得出了一个数值模拟的最佳结果，为矿山生产设计提供了有价值的参考。

7.

7. As a result, the building is expressed as a horizontal bar, generating a strong horizontal datum line.
    因此，建筑表示为单杠，产生强大的水平基准线。

8. Countless people enter game world of programming since writing the Russian square game, Because this since one examine RAD good method of developing instrument, Examine a person to develop language, environment, basic datum structure knowledge skilled convenient way of degree too.
    无数人进入游戏编程的世界都是从编写俄罗斯方块游戏开始的，因为这是检验一个人对开发语言、环境和基本数据结构知识熟练程度的便捷途径。

9. On the basis of analyzing a great variety of data information, geographical database and attribute database are designed and linked, and finally the database of PMS is established on the principle of establishing database. After the selection of the develop mode and tools, milepost reference system in the data acquisition database is turned into earth coordinate reference system in GIS database by Maplnfo software and MapBasic language, solving the main problem such as the creation of pavement sections and topocline in GIS etc. Since the electronic map is made up with data chaining, the joint development of Visual Basic 6.0 and MapX can realize the inquiry of the map and datum based on GIS. With the correlative method of evaluation of pavement performance, the paper establishes the evaluate model and other basic functions represented in the system design stage.
    本文研究与实践的要点着重在系统开发过程中，将地区级路面管理系统数据库组建于GIS平台上，并结合数据库建立原则，对系统的空间数据库和属性数据库进行了设计，将两者进行链接建立路面管理系统数据库；对软件的开发模式和开发工具进行比对选择后，应用MapInfo软件与MapBasic语言，可将路面管理系统中采集系统的里程桩定位参照系统转化为GIS数据库中大地坐标定位参照系统，解决了路段动态切割、地理精度等路线在GIS中的要点问题；利用Visual Basic 6.0与MapX控件、Access数据库的联合开发，实现地图与数据的双向快速查询；参照相关路面评价方法，开发相应的路面使用性能分析评价模块，并实现系统设计的各项基本功能。

10. At present, permanent day main supply product: Such as three base lines constant voltages IC, low pressure drop constant voltage IC, the DC-DC direct current transformation controls IC, the operation and comparison amplifier IC, a PWM kind of power source manages IC, datum reference constant voltage IC, the lithium battery protection circuit, the audio frequency actuates IC, Kara OK reverberation IC, the volume control and adjusts IC, the LCD/LED/VFD demonstration actuation, the photoelectricity pale pinkish purple, semiconductor device aspect and so on high voltage Xiao Teji, high-pressured MOS obtains is in the lead the manufacture technology.
    目前，恒天主要供应产品：诸如三端线性稳压IC、低压降稳压IC、DC-DC直流转换控制IC、运算与比较放大器IC、PWM类电源管理IC、基准参考稳压IC、锂电池保护电路、音频驱动IC，卡拉OK混响IC、音量控制和调节IC、LCD/LED/VFD显示驱动、光电藕合器、高电压肖特基、高压MOS等半导体器件方面取得领先制造技术。

11. A method for manufacturing a bevel gear member, comprises the steps of providing a bevel gear blank having a gearhead, forming gear teeth on the gearhead of the bevel gear blank by simultaneously cutting gear tooth top land, gear tooth side profile and a bottom land to form an unfinished bevel gear member using a face hobbing process, and machining at least one selected surface of the unfinished bevel gear member using the top lands of said gear teeth as a datum for centering the unfinished bevel gear member, thus forming a finished product.
      用于制造斜齿轮的方法，包括下列步骤：提供具有齿轮头的斜齿轮坯件，通过同步切削齿轮齿顶端槽脊、齿轮齿侧面轮廓和齿根面以在斜齿轮坯件的齿轮头上形成齿轮齿，从而通过使用端面滚铣过程形成未精加工的斜齿轮构件，并且使用所述齿轮齿的顶端槽脊作为未精加工斜齿轮构件的定心基准来加工未精加工斜齿轮构件的至少一个选取表面以形成成品。

12. Finally, results of the subjective evaluation for sound samples are gained and based on processing the datum of the subjective experiment, formulae for PSQ of cars are given.
      最后，本文对噪声样本的A声级、响度等指标的结果和主观实验数据进行拟合处理，确定了用于小型轿车声质量评价的参数PSQ的计算公式。

13. At the datum level is the Internalisation level.
      在材料水平是内在化水平。

14. It expected to solve some existent problems to improve the geology datum management and applied level of Shenyang city.
      本文根据沈阳市地质资料管理和应用的现状中存在的一些问题，提出并建立了沈阳市地质信息管理系统，以期能解决目前所存在的一些矛盾，从而提高沈阳市地质信息资料的管理和应用水平。

15. Along the coast of Zhejiang mean sea level 1985 National Datum Level
      浙江沿岸；平均海平面； 1985国家高程基准

16. It needs to collect more detailed datum directly from level of branch industry to well and truly reflect the influence to environment by change of industry.
      本文实证分析所用数据为一、二、三产业一级数据，需要收集更详细的分行业的统计资料以更准确地反映产业变化对于环境的影响。

17. In this paper, the observed land surface height data and tidal data in the Yellow River delta foreland area are used to describe the variations in depth datum and tidal level in the area.
      通过黄河三角洲前沿陆地高程的变化和验潮获得的资料，介绍了黄河三角洲前沿深度基准面的变化和潮位变化情况。

18. datum的反义词

18. The results of the experiment have indicated, the showing circuit can successfully achieve converting the datum and signals corrected gay level images to analog video signals and the time series of the system to the TV's.
      实验结果表明：能完成把经过校准后的数字图像灰度数据和图像处理中形成的信号转换成模拟视频信号，并将系统时序转换成电视时序功能。

19. The first is that the New Book passing on the biographies of the Old Book, but has added some historical datum in addition.
      其中第一种情况《新唐书》在《旧唐书》传记的基础上增加的内容这一部分在本文中暂不置论，只是对《新唐书》新增加传记的史料来源做考证。

20. By datum reduction, the expression of training would become clear, and the s...
      这一算法克服了BP算法收敛速度慢、易陷入局部极小等缺陷，实例证明提高了预测精度。

1. -> see data

1. an item of factual information derived from measurement or research

    Synonym: data point