摘 要: | 1 IntroductionTheNationalBureauofSurveyingandMappingofChina ,asthegovernmentaldepartmentinchargeoftheacquisitionandmanagementofgeodeticandcartographicdataonthewholenationalterritory ,aimedatthedevelopmentofGISandproposedso_called“4Dproductsstrategy”beyo…
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