英语词汇“reciprocity law”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	reciprocity law
释义	reciprocity law noun : a statement in photography: a constant density is obtained on a photographic material if the product of the intensity of light and the time for which it acts is a constant
随便看	luke luke's lukewarm lukewarmish lukewarmly lukewarmness lukewarmth lukiko lulab lulav lule lull lullaby luller lullian lulliloo lullingly lulov lulu luluai lulubaean lum lum lumb lumb-

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