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天顶距 tiāndǐngjù
geophys. Zenith distance
space co-altitude
天顶距从测站点铅垂线向上方向到观测目标的方向线的夹角 tiāndǐngjù
expl. zenith distance
天［体］顶距
agric. co-altitude
天体顶距
tech. co-altitude
天顶距: 18 phrases in 5 subjects
Agriculture1
Aviation1
Remote sensing1
Space2
Technology13

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