复化辛卜生公式可以算是公路线形坐标计算的万能公式。它不仅对直线、圆曲线、缓和曲线, 不完整的缓和曲线(卵形曲线)都能用一套公式进行计算... -The the complexification Xinbu Health formula can be regarded as the highway alignment coordinates universal formula. It is not only of the straight line, circular curve, curv