英语词汇f-number怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	f-number
释义	f-number['efnʌmbə] n.【摄影术、光学】f值，光圈数；孔径焦距比(符号F／， f／， f， F， f׃，f.)
随便看	Byturidae by turns by twos by twos and threes by virtue of by wag of parenthesis bywalk bywalks by water byway by way of by way of parenthesis by way of pastime 或 for a pastime by way of precaution by way of prevention byways by weight by whole sale by wire bywoner bywoners byword by word of mouth bywords by-work

英汉双解词典包含483723条英汉词条，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。