英语词汇“大氣折射”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	大氣折射
释义	大氣折射 dà qì zhé shè由于大气密度随高度的改变而引起的折射现象。由天体射来的光线在通过大气层时，因大气密度的改变，而引起的折射效应及效应所产生折射量的总称。大气折射使天体向天顶方向偏折，因此视高度会比实际高度大，所以在天体测量中须修正其折射量。也作「蒙气差」、「大气折射改正」。
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