“Ritchey-Chrétien optics”的概念、定义、翻译、参考文献-科学参考

单词	Ritchey-Chrétien optics
释义	Ritchey-Chrétien optics [`rich·ē `krā·chǝn ´äp·tiks] ^OPTICS A modification of the Cassegrain optical system used in large optical telescopes; it has a hyperbolic image-forming primary mirror, no spherical aberration, and no coma; it has a larger usable field than either Newtonian or Cassegrain optical systems.
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