relational checking 中文意思是什麼
-
Gis ( geographic information systems ) is a computer system with collecting, checking, intergreting and analysing information which is related with interface of earth. digital terrain model display two demission geographic position and relational properts information with digital pattern. dtm is an important component of gis, and is basic of " digital earth "
數字地面模型（ digitalterrainmodel ， dtm ）是地表二維地理空間位置和其相關的地表屬性信息的數字化表現，是地理信息系統（ geographicinformationsystem ， gis ）的重要組成部分，是數字地球的基礎。 -
Developing of the system including argumentation of feasibility and systematic analysis, design of relational database and firstly design of system models. the whole developing procedure is disparted to about seven building phrases : system model designing, system detail designing, the first code programming, the first checking and accepting and tryout, code maintenancing and upgrading, system maintenance
本系統的開發經歷了項目可行性論證與系統分析，關系數據庫設計和系統功能模塊初步設計，整個開發過程分為系統功能模塊設計，系統詳細設計，第一期程序編碼、第一期驗收及試運行，代碼維護和升級，系統維護等七個開發四川大學碩士學位論文階段。
分享友人