The direction to an object from a point, expressed as a horizontal angle measured clockwise from true north.
The direction to an object from a point, expressed as a horizontal angle measured clockwise from true north.
从一点到目标的方向，表示为从北开始顺时针测量的一个水平角度。
The direction to an object from a point, expressed as a horizontal angle measured clockwise from true north.
从一点到目标的方向，表示为从北开始顺时针测量的一个水平角度。