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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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更新时间:2025/4/26 18:43:35