“paraxial rays”的概念、定义、翻译、参考文献-科学参考

单词	paraxial rays
释义	paraxial rays [par`ak·sē·ǝl `rāz] ^OPTICS Rays which are close enough to the opical axis of a system, and thus whose directions are sufficiently close to being parallel to it, so that sines of angles between the rays and the optical axis may be replaced by the angles themselves in calculations.
随便看	rose opal rose point lace rose quartz rose reamer Rose's metal rosette upper-air observation upper-air sounding upper anticyclone upper-arm circumference upper atmosphere upper-atmosphere dynamics upper band upper bound upper branch upper bright band Upper Cambrian Upper Carboniferous upper consolute temperature upper control limit Upper Cretaceous upper critical solution temperature upper culmination upper curtate upper cyclone

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