Keywords Geotechnology;High Resolution Satellite Imagery;Rational Function Model;Terrain Transformation Analysis;Refining Quasi-geoid;Highway Survey and Design;Practical Research;

• 地球空间信息技术;高分辨率卫星图像;有理函数模型;地表变化分析;精化似大地水准面;公路勘察设计;应用研究;