英语词汇“shadow photometer”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	shadow photometer
释义	shadow photometer shadow photometer [′shad·ō fō′täm·əd·ər] (engineering) A simple photometer in which a rod is placed in front of a screen and two light sources to be compared are adjusted in position until their shadows touch and are equal in intensity.
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