horizontal system of coordinates

基本解释

It is one of the two coordinates in the horizontal coordinate system, the other being azimuth .
高度角是地平座標系統的其中一個座標；另一個爲方位角。
It is one of the two coordinates in the horizontal coordinate system, the other being altitude .
方位角是地平座標系統的其中一個座標；另一個爲高度角。
The compass direction (true bearing) of an object in the sky, measured from the north. It is one of the two coordinates in the horizontal coordinate system, the other being altitude.
由北起順時針的角度，用來表示天躰的位置。方位角是地平座標系統的其中一個座標；另一個爲高度角。
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