| 单词 | astronomical telescope |
| 释义 | astronomical telescopenouna telescope having an objective with a long focal length and an eyepiece with a short focal length, usually used for observing celestial bodies. Also called Kepler telescope. Origin of astronomical telescopeFirst recorded in 1880–85 Words nearby astronomical telescopeAstronomer Royal, astronomical, astronomical clock, astronomical distance, astronomical frame of reference, astronomical telescope, astronomical triangle, astronomical twilight, astronomical unit, astronomical year, astronomy Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for astronomical telescopeastronomical telescope nounany telescope designed and mounted for use in astronomy. Such telescopes usually form inverted imagesSee Cassegrain telescope, Newtonian telescope, equatorial mounting Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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