“Cassegrain focus”的概念、定义、翻译、参考文献-科学参考

单词	Cassegrain focus
释义	Cassegrain focus [kas·gran `fō·kǝs] ^OPTICS The principal focus of a Cassegrain telescope, located just behind the primary mirror.
随便看	electron-beam-accessed memory electron-beam channeling electron-beam cutting electron-beam drilling electron-beam fusion orthokeratology orthokinesis ortholignitous coal orthologous locus orthomagmatic stage orthometric correction orthometric height orthomimic feldspars orthomorphic orthomorphic chart orthomorphic map projection Orthonectida Orthonik ortho-nitroaniline ortho-nitrobiphenyl ortho-nitrophenol ortho-nitrotoluene orthonormal coordinates orthonormal functions orthonormal tetrad

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