The method of round or adjustment curve suruey and design is laying geometer out the angle bisector according to cosine the ormern.The curue surveyors used to adopt the methods of pole coordinate.

• 全站仪安置在分角线上任意点测设圆曲线,以及缓和曲线原理是根据余弦定理,全站仪测设方法是应用极坐标法进行测设曲线。