英语词汇“f number”的意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	f number
释义	f number 汉语翻译焦距比数英语解释：名词 f number: the ratio of the focal length to the diameter of a (camera) lens system 同义词：focal ratio, stop number, speed
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英语词典包含435040条英汉在线翻译词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

f number