英语词汇“relative aperture”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	relative aperture
释义	Word Frequency relative aperture noun photography the ratio of the equivalent focal length of a lens to the effective aperture of the lens; written as f/n, f:n, or fn, where n is the numerical value of this ratio and is equivalent to the f-number
随便看	prayer book prayerful prayerfully prayerfulness prayerless prayerlessly prayerlessness prayer mat prayer meeting prayer rug prayer shawl prayer wheel praying prayingly praying mantid praying mantis PRB PRC pre- preabsorb preaccuse preach preachable preacher preacher curl

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