英语词汇“Gregorian telescope”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	Gregorian telescope
释义	Gregorian telescope (once / 844237 pages) n WORD FAMILY Gregorian telescope: Gregorian telescopes n a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror Syn\|Hyper Cassegrainian telescope reflecting telescope, reflector optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece
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