“vertical refraction coefficient”的概念、定义、翻译、参考文献-科学参考

单词	vertical refraction coefficient
释义	vertical refraction coefficient Encyclopedia 工学大地起算数据释 vertical refraction coefficient垂直折光系数地球的曲率半径与观测视线通过上疏下密的大气层时，因光折射而形成曲线的曲率半径之比。
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