英语词汇“parfocal eyepieces”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	parfocal eyepieces
释义	parfocal eyepieces parfocal eyepieces [pär′fō·kəl ′ī‚pēs·əz] (optics) Eyepieces whose lower focal points lie in the same plane, so that they can be interchanged without changing the focus of the instrument with which they are used.
随便看	(as) dull as ditchwater as dull as ditchwater (as) dumb as a post as dumb as a post asdv asdva asdvs asdw asdwa asd/ywee asdz -ase as&e ase a&sea a-sea asea asea brown boveri asea brown boveri ltd aseaccu a sea change a sea-change a sea dog asea electro motive 7000hp aseag

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