Results for « 卡塞格伦望远镜 » (cmn)
02978478-n
卡塞格伦望远镜
Cassegrainian telescope, Gregorian telescope
     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

Langs:
Preferences
(0.00199 seconds)
More detail about the Extended Open Multilingual Wordnet (1.3)
Maintainer: Francis Bond <bond@ieee.org>