英语词汇“focal ratio”的中英文释义、用法、翻译及短语词组-英汉翻译词典-东流网

单词	focal ratio
释义	focal ratio 英?[?f??k?l ?rei?i?u] 美?[?fok?l ?re?o] 释义焦比英英释义 Noun 1. the ratio of the focal length to the diameter of a (camera) lens system
随便看	counter-agent counteragent counteragents counter-aggression counteraggression counter aggression counteraggressions counter-agitation counterair counter air counter,air-flow counter air support counter-allegation counter-allegations counter-alliance counter-alliances counter,alpha counter-alternate arc counter ampere turns counter amplifier counteranion counteranions counterappeal counterappeals counter-appellant

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focal ratio