【摘要】 从高速公路施工复测公路网控制点入手,分析测区内投影长度变形值大于规范要求的原因,并根据高速公路走廊带所处具体地理位置、工程要求,提出了如何选择合适的高程面及投影方式,并建立适合高速公路坐标系的建议。更多还原

【Abstract】 From measuring the road network control point of expressway construction,the paper analyzed the reasons of the deformation value of projection length was greater than the regulatory requirements in measured zone,and proposed some advice on how to establish expressway coordinate system.更多还原