小弟初学测量遇一难题，希望大家帮帮忙,谢谢！！

magicwht

第一缓和曲线起点K73+553.816&nbsp; 缓和曲线终点（圆曲线起点）K73+703.816&nbsp;&nbsp;&nbsp; 圆曲线终点K73+972.153&nbsp;&nbsp;&nbsp;&nbsp; <br>圆曲线起点K73+972.153&nbsp;&nbsp;&nbsp; 圆曲线终点(缓和曲线起点)K74+113.810&nbsp;&nbsp; 缓和曲线终点K74+263.810<br>给了两个交点坐标JD31 k73+800.496（4109485.439，398415.0906）&nbsp; JD31(4109527,398702.5323)&nbsp; 曲线半径R1=R2=812.9306&nbsp; LS1=150&nbsp; LS2=150