英语词汇“f number”的翻译、意思、用法、释义-英汉汉英词典

单词	f number
释义	英汉大英汉大★◀▶孔径焦距比f number focal ratio 英汉大☞BEf number相对口径；相对孔径f number相對口徑；相對孔徑物理學名詞
随便看	difference-set code difference signal difference sign test differences in color differences-in-differences estimator differences of co-ordinates difference spectrum differences side-by-side difference stationary difference strategy differences vs totals plot difference synthesis difference table difference temperature difference test difference threshold difference timing difference tone difference tones difference triangle difference vegetation index｛=dvi｝ difference viewer difference voltmeter difference， contact potential difference， mean temperature