| 词汇 | f-number |
| 类别 | 英译汉、汉译英、英汉互译翻译词典 |
| 释义 | f-numbern. 数, 光圈数 f-number f-num.ber AHD: [µf“n¾m”b…r] D.J. [6ef7nJmb*]K.K. [6Wf7nJmb+]n.（名词）The ratio of the focal length of a lens or lens system to the effective diameter of its aperture.Also called f-stop F值：物镜或物镜系统的焦距与入射光孔直径之比也作 f-stop语源:1. f(ocal length) f(ocal length)2. number number |
| 随便看 |
学识教育网英语在线翻译词典收录了913114条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。