英语词汇“f-number”的读音、翻译、释义、用法及例句-高考报名网

词汇	f-number
释义	f-number n.（名词 noun）【光•摄】F 值,光圈值孔径焦距比（透镜的光圈指数,即焦距与入射光孔直径之比） f/8[f 8, f: 8] F值[光圈]为8.
随便看	timepleaser time policy timer time recorder time-reflection symmetry time reversal time reversal invariance Times timesaving time scale timescale time series time-server timeserver timeserving time-share timeshare time-sharing Time Sharing Operating System time sheet time signal time signature times sign Times Square time stamp

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