单词乎
首页 - 英汉词典 - F字开头的单词或词组 - f number
英语解释

f number

汉语翻译

焦距比数

f number英语解释

名词 f number:

  1. the ratio of the focal length to the diameter of a (camera) lens system
    同义词:focal ratio, stop number, speed
0
纠错
猜你喜欢
betweenmaidshirdisplay routineSulfonamidotherapysynthetic approachmulticomponent mixture
应用推荐