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单词 Gregorian telescope
释义
  • Gregorian telescope

    • [?ɡri?ɡ?:ri?n ?telisk?up]

    释义

    • 格雷戈里反射式望远镜,格里果里望远镜,格里望远镜
  • 英英释义

    Noun

    • 1. 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
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