英语词汇“exposure factor”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	exposure factor
释义	exposure factor exposure factor [ik′spō·zhər ‚fak·tər] (nucleonics) A quantity f used to specify radiographic exposure equal to st / d ², where s is the intensity of radioactive source, t is the time, and d is the source to film distance.
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