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单词
Cassegrainian telescope
释义
Cassegrainian telescope
翻译
卡塞格拉尼望远镜
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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更新时间:2025/3/20 5:07:28