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单词 Cassegrainian telescope
释义 Noun: Cassegrainian telescope
  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 centre of the primary mirror
    - Gregorian telescope

Derived forms: Cassegrainian telescopes

Type of: reflecting telescope, reflector

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更新时间:2024/12/21 14:33:04