英语单词“focal ratio”的翻译、意思、用法、释义-英汉词典

单词	focal ratio
释义	focal ratio1.■【摄影术】f值，孔径焦距比
随便看	sound 1 sound 2 sound 3 sound 4 soundable sound absorption sound a false note sound-alike sound analyzer sound-and-flash ranging sound and light sound-and-light sound-and-light show sound a note of warning against something sound a note of warning (against) something sound a note of warning something sound a parley sound archive sound a retreat sound arrester sound as a bell sound as a roach sound asleep sound attenuation sound band pressure level 凫雁江湖来又去吹满斜阳院落悠悠燠照遍垓埏，风檐蔀屋皆澄澈和新悲远嫁，忍爱泣将离龙化庙梁飞白雨，鹤收仙箭下青芜双影好，玉台展今日皆归去，留得好名儿笼纱蜜炬照飞霰，十二玉楼人未眠妙年意气已横秋，不为身谋为国谋称此翰墨，是谓知德九日閒居读陶诗有怀春风绍兴祀岳镇海渎四十三首采桑子颂古四首·其四遗操弗吊拜忏大师父支赐