“Cassegrain telescope”的概念、定义、翻译、参考文献-科学参考

单词	Cassegrain telescope
释义	Cassegrain telescope [kas·gran `tel·ǝ`skōp] ^OPTICS A reflecting telescope in which a small hyperboloidal mirror reflects the convergent beam from the paraboloidal primary mirror through a hole in the primary mirror to an eyepiece in back of the primary mirror.
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