离去角：汽车后端突出点向后轮引的切线与地面的夹角。
Departure Angle: back-end automotive primer highlights the tangent to the rear of the Angle with the ground.
介绍了测设和检验圆曲线的两种新方法：任意角夹角法和任意切线长支距法。
This paper presents two kinds of new methods for setting out circular curve: free angle and tangent length method.
这一点和圆心的连线平分这两条切线的夹角。
The line connecting the point and the center bisects the included Angle of the two tangent lines.
这一点和圆心的连线平分这两条切线的夹角。
The line connecting the point and the center bisects the included Angle of the two tangent lines.
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