hydrologic survey in aerial photograph
Aerial Survey
航空测量
航空摄影测量
航测
航空摄影测量（航测）
送电线路
航摄
空中测量
空中探勘
aerial survey and remote sensing
Aerial Survey Field Control
Aerial survey precision
aerial survey remote-sensing
aerial survey topographic drawings
aerial survey topographical map
crown closure measurement in aerial photo
crown diameter measurement in aerial photo
delta air aerial survey