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单词 cassegrainian telescope
释义
Cassegrainian Telescope
nnoun.artifacta 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
Synset:Cassegrainian telescope Gregorian telescope
Hypernyms:reflecting telescope reflector
Inherited Hypernyms:cassegrainian telescopereflecting telescopeoptical telescopeastronomical telescopetelescopemagnifierscientific instrumentinstrumentdeviceinstrumentalityartifactwholeobjectphysical entityentity
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更新时间:2025/1/24 14:38:42