英语词汇“gray card”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	gray card
释义	gray card Photog. a card of controlled reflectance held near a subject to approximate middle tones and used as a target for an exposure meter.
随便看	isochronal isochrone isochronism isochronize isochronous isochrony isochroous isocitric acid isoclinal isocline isoclinic line isocracy Isocrates isocyanate isocyanic acid isocyanide isocyanine isocyano isocyano group isocyclic isodef isodiametric isodimorphism isodomic isodose

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