英语词汇“θ64928”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	θ64928
释义	the world > physical sensation > sight and vision > optical instruments > lens > [noun] > eye-piece (11) eyeglass1665 The eye lens or eyepiece of an optical instrument, esp. a telescope or microscope. Now rare (chiefly historical). ocular1702 A lens or combination of lenses at the eye end of a microscope, telescope, or other optical instrument; an eyepiece. eyepiece1729 In an optical instrument (as a telescope, microscope, or camera): the lens or (more commonly) the group of lenses to which the eye is applied, and… Ramsden1787 attributive and (now rare) in the genitive. Designating an eyepiece consisting of two planoconvex lenses of equal focal length with their convex… field glass1797 = field lens n. at field, n.1 compounds 5. Contrasted with eyeglass, n. 3a. Now rare. negative eyepiece1831 an eyepiece consisting of two planoconvex lenses with their plane side towards the observer, so named because the image is formed between the two… positive eyepiece1842 an eyepiece of an optical instrument consisting of two planoconvex lenses with their convex sides facing each other, so named because the image is… Kellner1865 A Kellner eyepiece. orthoscopic1868 Optics. An orthoscopic eyepiece. eye-point1875 The point where the eye should be placed when using an optical instrument or a camera; = exit pupil n. at exit, n. compounds 2. comparison eyepiece1940 an eyepiece designed for use with two similar microscopes so that the images from both can be viewed simultaneously.
随便看	persiennes persiflage persiflages persiflate persifleur persifleurs persimmon persimmon beer persimmon bush persimmon plum persimmon pond persimmon tree persimmon wood persimmon-coloured persimmon-skin persimmoncoloured persimmons persimmonskin persism persist persisted persistence persistence characteristic persistence of energy persistence of matter

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