英语词汇“object-glass”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	object-glass
释义	object-glass\|ˈɒbdʒɪktglɑːs, -æ-\| [object n. 3.] The lens or combination of lenses in a telescope, microscope, or other optical instrument, which is situated nearest to the object, and thus receives the rays of light directly from it. (Cf. eye-glass 4.) 1665R. Hooke Microgr. ii. 4, I..plac'd it between the Object-glass and the light.1784Herschel in Phil. Trans. LXXV. 44 Turning or unscrewing the object-glass or speculum a little.1829Nat. Philos. I. Optics x. 27 (U.K.S.) The triple achromatic object-glass..consists of..a concave flint glass lens placed between two convex lenses of crown glass.1839G. Bird Nat. Phil. 390 The magnifying power of these telescopes is found by dividing the focal length of the object-glass by that of the eye-glass.
随便看	reconditeness recondition reconditioning reconditory reconditure recondity re-condole reconduct reconduction reconfer reconfigure reconfine reconfirm reconfiscate recongeal reconjoin reconjunction reconjure reconnaissance reconnaitre reconnect reconnoissance reconnoitre reconnoitring reconquer

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