So, although it appears to be a counterclockwise angle system, it's actually clockwise.
因此，虽然似乎是一个逆时针的角度系统，它实际上是顺时针方向。
Positive values for the angle rotate the object clockwise if you look along the positive rotation axis.
角度为正值，则表示若您顺着正旋转轴方向观察，对象是按顺时针旋转的。
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。
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