“convergence ratio”的概念、定义、翻译、参考文献-科学参考

单词	convergence ratio
释义	convergence ratio [kǝn`vǝr·jǝns ´rā·shō] ^OPTICS The ratio of the tangent of the angle between a meridional ray and the optical axis after it passes through an optical system to the tangent of the angle between the ray and the axis before it passes through the system.
随便看	river morphology river piracy river plain River Po river radar river run gravel river system river terrace river tide riverwash river water Rivest-Shamir-Adleman algorithm rivet riveting riveting hammer riveting stake rivet pitch rivet weld riving rivulet rivulose RJE RK galaxy R magnitude R meson

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