英语词汇“relative aperture”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	relative aperture
释义	Definition of relative aperture in English: relative aperture noun Optics Photography A measure of the light-collecting power of a lens, telescope, etc., which is usually expressed in terms of its f-number (a lower f-number corresponding to a larger aperture), and is used in determining the exposure needed. Origin Late 19th century. Definition of relative aperture in US English: relative aperture noun Optics Photography A measure of the light-collecting power of a lens, telescope, etc., which is usually expressed in terms of its f-number (a lower f-number corresponding to a larger aperture), and is used in determining the exposure needed. Origin Late 19th century.
随便看	fitness fanatic fitness for fitness for/to do fitness for/to do fitness suite fitness test fitness to do fitness tracker fitness training fit of bad humour fit of bad/ill temper fit of crying fit of ill humour fit of madness fit of pique fit of rage fit of rage/anger/temper fit of rage/fury/anger/temper fit of temper fit of the sulks fit oneself out fit (or fill) the bill fit (or fill) the bill fit-out fit out

　

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更新时间：2025/1/27 12:05:55