universal relation model 中文意思是什麼
universal relation model
解釋
泛關系模型-
Firstly, considered both the function of the flood prevention information system and the practice of the management of drainage, the development process and technology of the flood prevention information system has been detailed discussed. secondly, one universal object - oriented geographic data model, which is according with the management of drainage, has been constructed. thirdly, the corresponding database and their relation has been constructed
從防汛信息服務系統產生的背景和功能出發,結合排水防洪管理的具體情況,詳細闡述了防汛信息服務系統的研製步驟與開發技術,建立了符合排水防洪管理特點的面向對象地理數據模型、數據庫及其相互關系,並利用空間分析技術實現了相關信息的地理化,開發了實用的大慶油田防汛信息服務系統。
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