英语词汇“f-number”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	f-number
释义	f-num·ber 英ˈefˌnʌmbə美ˈɛfˌnʌmbɚAHDĕfʹnŭm'bər BNC¹¹⁴⁰²⁴⁺⁵ 基本英英 n.焦距比数¹⁰⁰复数f-numbers 名词 f number: the ratio of the focal length to the diameter of a camera lens system
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