(+)Electron-theodolite surveying syste
218P0 surveying technique
3、4 order leveling surveying
absolute gravity surveying
Academe of Tianjin City Surveying and Mapping
Academy of Geological Surveying and mapping of Fujian province
Academy of Surveying and Mapping of Hefei City
Accurate Level Surveying
Administration of surveying and mapping
Aerial Surveying
航空测量
控制力矩陀螺
航空摄影测量
架空索道
航天摄影测量
航测
Aerial triangulation surveying
Aeromagnetic Surveying Data
aerotriangulation surveying
airborne gravity surveying system
Archives of Surveying and Mapping
Association of Government Land and Engineering Surveying Officers， AGLESO