把小船放在一个相交点上,同时把地平线放在靠近一条水平线的位置。
Place the boat on one of the intersections and also position the horizon near one of the horizontal lines.
海拔,高度特定水平线上的高度,如太阳或星辰之于地平线之上者;海拔。
Elevation above a given level, as of the sun or a star above the horizon; altitude.
海拔,高度特定水平线上的高度,如太阳或星辰之于地平线之上者;
The height of a thing above a reference level, especially above sea level or above the earth's surface.
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