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Application of GPS Elevation Fitting in Hilly Area Topographic Survey
LI Hongbo;SHI Xianqi;WAN Qiling;LIU Binrong;Institute of Chongqing Xinrong Land Housing Survey Technology;Engineering Technology Research Center of land Use and Remote Sensing Monitoring in Chongqing City;Chongqing City Land Resources and Housing Surveying and Planning Institute;
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