vertical angle observation error的意思|示意
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垂直角度观测误差
vertical angle observation error的网络常见释义
垂直角观测误差 ...垂直角观测误差;近地面观测;大气垂直折光 [gap=239]Key words: City measurement; error of sighting; vertical angle observation error; near surface layer; atmospheric vertical refraction1 ..