語言選擇:
免費網上英漢字典|3Dict

stop number

資料來源 : WordNet®

stop number
     n : the ratio of the focal length to the diameter of a (camera)
         lens system [syn: {focal ratio}, {f number}, {speed}]
依字母排序 : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z