每个数据都有一个独特的键。
Would you send a datum for me?
请帮我传一份资料好吗？
An united space datum line has been given.
给出统一的空间基准线。
The results are fit to the experiment 's datum.
所得结果基本与实验数据吻合。
Use to indicate a datum target area, line or point.
用于指示基准目标区域、线条或点。
Every theory, datum, or fact is generated by purpose.
任何理论，资料、事实都来自于一定的目的。
The class is the set of datum and operation of datum.
类是数据和数据操作的集合。
The first task is the assignment of an address to each datum.
最初的任务是把地址分配给每个数据。
The distance from the main axial cord to the datum clamp face.
主要轴线到安装基准面的距离。
The piezometric head is also measured from the same datum level.
测压水头亦应从同一基准面算起。
Data chain linked up datum stand and flow stand is the only route.
数据链是沟通基准站和流动站的唯一路径。
A line of punch positions parallel to the Y datum line of a punch card.
基准线平行，在地平面或者基准平面上。
This system also simplified the verification process for each kind of datum.
本系统还简化了各种资料的审核过程。
The fifth part tells how to collect and analyze the datum of the teaching effect.
第五部分讲述了实验教学效果的数据搜集和分析；
The datum plane of system is made certain and its veracity is proven by experiment.
确立了检测系统的基准，并就系统基准的准确性进行了验证实验。
The choice precision is high, the installment stable reliable surface is the fine datum.
选择精度高、安装稳定可靠表面为精基准。
The choice precision is high, the installment stable reliable surface is the fine datum.
选择精度高、安装稳定可靠表面为精基准。
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