英语词汇“optical system”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	optical system
释义	optical system noun : a combination of lenses, mirrors, and prisms that constitutes the optical part of an optical instrument (as a microscope or telescope)
随便看	time money time-motion study timenoguy time note time of day time-of-flight time on target timeous timeously time-out time out time out of mind timepiece timepleaser time policy timer timer time rating time recorder time-release time reversal time reversal invariance times times time-saver

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