尤其是在大天顶距的情况下，用目前的大气折射理论，不能给出可用的精确数值。
The usable accurate error values can not be given by the existing atmospheric refraction theories, especially in the case of greater zenith distances.
尤其是在大天顶距的情况下，用目前的大气折射理论，不能给出可用的精确数值。
The usable accurate error values can not be given by the existing atmospheric refraction theories, especially in the case of greater zenith distances.
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