英语词汇“precision”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

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单词	precision
释义	pre·ci·sion I. \prēˈsizhən, prə̇ˈs-\ noun (-s) Etymology: in sense 1, from Latin praecision-, praecisio act of cutting off, from praecisus (past participle of praecidere to cut off) + -ion-, -io -ion; in other senses, from French précision, from Latin praecision-, praecisio act of cutting off — more at precise 1. obsolete : prescinding, abstraction 2. a. : the quality or state of being precise : exact limitation : exactness, definiteness < defining words with utmost care, they fashioned their statements of doctrine with meticulous precision — C.A.Dinsmore > < drove … emperors with the precision of an automation — Norman Douglas > especially : the degree of refinement with which an operation is performed or a measurement stated < the number, 2.42, shows a higher precision than 2.4, but it is not necessarily any more accurate — American Society of Civil Engineers > — contrasted with accuracy b. (1) : the degree of agreement of repeated measurements of a quantity (2) : the deviation of a set of estimates from their mean 3. : an instance of precision : nicety < suspicion of the precisions of language — F.S.C.Northrop > II. adjective : marked by precision of execution or measurement < a precision landing > < a troop of precision dancers > as a. : adapted for extremely fine or accurate measurement, observation, or operation < a precision level … will detect a variation of as little as .0025″ per foot — Metals & Alloys > < precision cartography > b. : held to low tolerance in manufacture or finishing < a precision gear > < a precision finish > < precision parts > III. noun 1. : the accuracy (as in binary or decimal places) with which a number can be represented usually expressed in terms of the number of computer words available for representation < double precision arithmetic permits the representation of an expression by two computer words > 2. : relevance 1 herein
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