测量界中有“3S”之说,这里的“3S”是指:
A: GPS(GlobalPositioningSystem)
B: ETS(ElectronicTotalStation)
C: RS(RemoteSensing)
D: GIS(GeographicInformationSystem)
A: GPS(GlobalPositioningSystem)
B: ETS(ElectronicTotalStation)
C: RS(RemoteSensing)
D: GIS(GeographicInformationSystem)