Well-developedGISsystemsprovidesstrongspatialandattributedataanalysisandcalculationfunctions,e.g.rivernetworkcodingespeciallyusingPfafstettermethod(Pfafstetter,1989);automaticoperationsonsub-basindelineation;efficientinterpolationofrainfallandmeteorologic (共 806 字) [阅读本文] >>