... 水平角闭合差 horizontal deviation 水平镜，地平镜，六分仪 horizon glass 水平距离，高线间 horizontal equivalent ...
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借助望远镜，可以看到地平线上有一只船。
With the aid of a telescope, a ship could be made out on the horizon.
借助望远镜可以看出在地平线上有一只船。
With the aid of a telescope a ship could be made out on the horizon.
现在用双筒望远镜很容易找到麦克·诺特彗星，它将在以后一段时间，在黎明东边地平线上慢慢下落，7月2日过近日点。
Easy to spot in binoculars for now, McNaught will sink into the twilight along the eastern horizon in the coming days as it heads toward perihelion (closest approach to the Sun) on July 2.
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