Both geographic and projected coordinate systems include a definition of the assumed shape of the earth (a flattened sphere); this is called the geodetic datum.
地理和投影坐标系都包含对地球形状的假设(一个略扁的球体)；这称为大地基准点。
Let's call a Flitter datum a flit.
让我们将一段Flitter数据称为一个flit。
Here is how it happens: First, you find that each Flazbar has a flizbam attached to it (and a flizbam is described by a datum).
这里，看一下它是如何发生的：首先，发现有一个flizbam附加在每个Flazbar后面(并且由数据来描述flizbam)。
Any query such as the one in Listing 1 has a precise path to the specified datum, which a DBMS can quickly determine in balanced trees and byte-offset codings.
如清单1中所示的任何查询都有到指定数据的精确路径，DBMS可以迅速地在均衡树和字节偏移编码中确定它。
Given a regex and a datum, a regex engine yields whether the datum matches a pattern and, if a match was found, what matched.
给定一个正则表达式和数据，正则表达式引擎将得到数据是否匹配模式及匹配内容(如果找到匹配)等结果。
Why is Groupon not merely a tech-bubble datum but a Ponzi scheme?
为什么Groupon不仅仅是一个高科技泡沫而是庞氏骗局呢？
This paper brings forward a speedy method for trajectory recognition based on the minimum of trajectory velocity by analyzing a great deal of datum, and proves its correctness abstractly.
通过对大量弹道仿真数据的分析，提出了基于弹道速度最小点的弹道辩识快速算法，并从理论上证明了该算法的正确性。
Timber steps lead to the intimate 'home' datum - the parents' house has a serene brown timber flooring, and the kids' a lively yellowish one.
木材台阶是引导亲密的“家”的基准——父母的房子是宁静的棕色木地板，孩子们的是活泼的淡黄色木地板。
Perpendicularity - is the condition of a surface, axis, or line, which is 90 deg. From a datum plane or a datum axis.
垂直度-条件是表面，轴，或线，这是90度的基准平面或基准轴。
One is how to get geography datum independently, i. e, how to get a map in a projection by using the datum gotten from a map in another projection.
这两个问题是，位置信息采集的重用或投影方式无关问题（即在某种地球投影地图上录取的地理位置信息可以按另一种地球投影投影或制作地图）；
A datum is an element of information that is transferred from a component, or received by a component, via a connector.
基准的一个要素是信息，从一个组成部分，或收到的一个组成部分，通过一个连接器。
On the basis of this resin as a matrix, a weatherproof flame retardant gel coat resin was developed and datum of weatherproof ability was given.
以此树脂为基体，研制开发了耐候性阻燃胶衣树脂，并列出了此胶衣树脂的耐候性数据。
MINGBAOJI is not a generic report of interview but has been written through a series of conscious gathering datum by the author's holding a clear aim.
《冥报记》不是一般的访谈录，而是作者抱有明确目的，通过一系列有意识的采访撰写而成。
This is especially a problem on multiprocessor systems where more than one process may be accessing a datum.
这尤其是在多处理器系统方面的一个问题，超过程序可能存取一个资料项目哪里。
A method for deriving the smoothed ground surface from CMP datum of static correction is given to form a common datum for velocity spectrum, time-depth conversion and depth migration in depth domain.
本文还给出了根据（静校正的）CMP基准面计算地表圆滑面的方法，统一了深度域中速度谱、时深转换和深度偏移的基准面。
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。
After the mathematical model of the system is developed, a practical method of establishing a testing datum is advances. Moreover, the system error is analyzed and estimated.
在建立了测量数学模型之后，提出了适用的测试基准建立方法，并对基准建立后的系统误差进行了分析计算。
A datum is a raw piece of information that's capable of being moved and stored.
数据是原始信息，它可以被移动和存储。
In each cylindrical section (measuring cylinder) coaxial with the datum axis a, the section line shall be contained between two circles 0.1 apart and perpendicular to the datum axis a.
在每一个与基准轴a同轴的圆柱面内(测量圆柱)，该截面线应包含和基准轴相距0.1两个圆圈之间。
Based on the characteristic of GM (1, 1) model, this paper presents a new modelling method for the model through adding a datum to the beginning of raw data sequence.
根据GM(1,1)模型的特点，通过在原始数据序列前加一个数的方式，提出了建立GM(1,1)模型的一种新方法。
With a collimator and a 23 polyhedron as measuring datum, a set of optical angular encoder measuring data, which containing the eccentricity error, was obtained.
以平行光管和23面棱体为基准，得到存在偏心误差的一组光栅角编码器测量数据。
The method includes locating a focal point (24) of a laser (12) relative to at least one reference datum (14) of a workspace (16), the focal point (24) being where the laser (12) produces machining.
该方法包括相对于工作空间(16)的至少一个参考基准面(14)定位激光器(12)的焦点(24)，所述焦点(24)位于所述激光器(12)进行加工的位置。
A series of technical index was gained by analysing a lot of datum and considering economic benefit. The feasibility in technology and economy was proved.
通过对大量的数据分析以及对经济效益方面的考虑，得出一系列理论指标，取得技术经济方面上的可行性。
A method of fuzzy clustering analysis is used to classify and file away the spectra and thus a UV spectrum datum bank of common organic toxicants is set up.
然后用模糊聚类分析方法分类存贮标准光谱，建立常见有机毒物多溶剂下uv图谱库。
Time series of vertical crustal displacements are obtained by defining a datum of a stable group of 7 stations scattered in different regions with relatively small vertical displacements.
选分布于不同区域相对垂直位移较小的7个站为稳定点组，得到垂直位移时间序列。
However, during checking of the total axial run-out. deviation, the positions of the dial indicator are along a guiding (straight) line perpendicular to the datum axis A (see 18.7.8.3).
然而，在检查全轴向跳动时，百分表的位置是沿着垂直于基准轴线A的（直）引导线（见18.7.8.3）。
If the element being tested with a tolerance requirement is a contour line or surface, point the arrow and datum symbol to the contour line or surface, and keep it away from the dimension line.
当具有公差要求的被测要素为线或平面时，将指引线箭头和基准符号指在线或平面上，且必须与尺寸线错开。
For a single pulse of bell shape but not sharp type, a new datum of signal instantaneous is proposed and checked through theory as well as experiment.
对于呈钟形分布而非尖型的单个脉冲，提出了新的信号计时基准，同时作了理论考证和实验分析。
For a single pulse of bell shape but not sharp type, a new datum of signal instantaneous is proposed and checked through theory as well as experiment.
对于呈钟形分布而非尖型的单个脉冲，提出了新的信号计时基准，同时作了理论考证和实验分析。
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