英语词汇“θ64744”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	θ64744
释义	the world > physical sensation > sight and vision > optical instruments > instrument for distant vision > [adjective] > telescope > reflecting telescope (5) specular1651 Of a telescope: fitted with a speculum; reflecting. Newtonian1737 Astronomy. Designating or relating to a kind of reflecting telescope having an oblique plane secondary mirror which produces a focus at an… Gregorian1762 The distinctive epithet of the kind of reflecting telescope invented by J. Gregory (died 1675). Herschelian1792 Of or relating to Sir William Herschel or his son Sir John Herschel. Herschelian telescope n. a form of reflecting telescope having a concave mirror… Cassegrainian1813 Applied to a modification of the Gregorian reflecting telescope suggested in 1672 by M. Cassegrain. Also Cassegrain, used attributively and absol.
随便看	antechapel antechapels antechinus antechoir antechoirs antechristian antechurch antecloset anteclypei anteclypeus antecolumbian antecommunion antecommunion service anteconsonantal antecourt antecubital antecursor antecuvierian anted antedarwinian antedate antedated antedates antedating antedation

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