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datum    音标拼音: [d'ætəm] [d'etəm]
n. 材料,资料,已知数

材料,资料,已知数

datum
资料 D

datum
资料

datum
n 1: an item of factual information derived from measurement or
research [synonym: {datum}, {data point}]

Datum \Da"tum\, n.; pl. {Data}. [L. See 2d {Date}.]
1. Something given or admitted; a fact or principle granted;
that upon which an inference or an argument is based; --
used chiefly in the plural.
[1913 Webster]

Any writer, therefore, who . . . furnishes us with
data sufficient to determine the time in which he
wrote. --Priestley.
[1913 Webster]

2. a single piece of information; a fact; especially a piece
of information obtained by observation or experiment; --
used mostly in the plural.
[PJC]

3. pl. (Math.) The quantities or relations which are assumed
to be given in any problem.
[1913 Webster]

4. (Surveying) a point, line, or level surface used as a
reference in measuring elevations. --RHUD
[PJC]

{Datum line} (Surv.), the horizontal or base line, from which
the heights of points are reckoned or measured, as in the
plan of a railway, etc.
[1913 Webster]

146 Moby Thesaurus words for "datum":
absolute fact, accepted fact, account, acquaintance, actual fact,
admitted fact, announcement, article, aspect, axiom, bald fact,
bare fact, basis for belief, blue book, body of evidence, briefing,
brutal fact, bulletin, case, chain of evidence, circumstance, clue,
cold fact, communication, communique, conceded fact, corpus, count,
data, demonstrable fact, detail, directory, dispatch,
documentation, element, empirical fact, enlightenment,
established fact, evidence, exhibit, experience, expertise, facet,
fact, fact of experience, factor, facts, factual base,
factual information, familiarity, familiarization, gen,
general information, given fact, grounds, grounds for belief,
guidebook, handout, hard fact, hard information, incidental,
incidental information, indication, indisputable fact,
inescapable fact, info, information, instance, instruction,
intelligence, intimacy, item, item of evidence, ken, know-how,
knowing, knowledge, light, manifestation, mark, material grounds,
matter, matter of fact, mention, message, minor detail, minutia,
minutiae, muniments, mute witness, naked fact, not guesswork,
not opinion, notice, notification, particular, piece of evidence,
plain, point, positive fact, postulate, practical knowledge,
premises, presentation, private knowledge, privity,
promotional material, proof, provable fact, publication, publicity,
ratio cognoscendi, reason to believe, regard, release,
relevant fact, report, respect, salient fact, self-evident fact,
self-knowledge, sidelight, sign, significant fact, simple fact,
sober fact, statement, stubborn fact, symptom, technic, technics,
technique, the case, the dope, the goods, the know,
the nitty-gritty, the scoop, thing, token, transmission,
undeniable fact, well-known fact, white book, white paper, word


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  • DATUM Definition Meaning - Merriam-Webster
    The meaning of DATUM is something given or admitted especially as a basis for reasoning or inference
  • Datums and Reference Frames | Datums | National Geodetic Survey
    A geodetic datum or reference frame is an abstract coordinate system with a reference surface (such as sea level) that serves to provide known locations to begin surveys and create maps
  • Geodetic datum - Wikipedia
    The WGS 84 datum, within two meters of the NAD 83 datum used in North America, is the only world referencing system in place today WGS 84 is the default standard datum for coordinates stored in recreational and commercial GPS units
  • What Are Datums? A guide to all their types and applications.
    A datum feature refers to the physical part of the object which is used as reference for a datum It may be a particular point, line, plane or surface on the part
  • Datum Feature | GD T Basics
    A datum feature is the tangible surface or feature of size (comprised of multiple surfaces or revolved surfaces) that is indicated by the datum feature symbol You can think of them as anchors for the entire part They are the surface or feature where the other features are referenced from
  • DATUM | English meaning - Cambridge Dictionary
    A common datum point is used throughout all the experiments as a reference point
  • ALL ABOUT DATUM – GENERAL DATUM
    In surveying, a datum is a reference system or approximation of earth’s surface against which positional measurements are made for computing locations A horizontal datum runs along the surface of the earth, providing distances between two points It has two components namely latitudes and longitudes
  • DATUM Definition Meaning | Dictionary. com
    DATUM definition: a single piece of information, as a fact, statistic, or code; an item of data See examples of datum used in a sentence
  • Datum Technologies Group | Premier IT Staffing Solutions
    Datum Innovations is the strategic business engagement division of Datum Technologies Group With a focus on innovation, creativity, and collaboration, Datum Innovations provides cutting-edge technology solutions to businesses of all sizes and industries through our experience and expertise
  • What Is a Datum? Horizontal vs Vertical Datums - vhive. ai
    A datum is a reference framework used to define positions on or above the Earth’s surface It provides a standardized starting point for all measurements in surveying, mapping, and geospatial work





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