three database in a body

The cadastre database dynamic updating mechanism should use dynamic multistage ground state revision model and "three database in a body" management pattern. A example is used to describe the basic ideology of the modern.
從地籍信息的時(shí)態(tài)數(shù)據(jù)結(jié)構(gòu)出發(fā),分析對(duì)比目前主流的幾種時(shí)空數(shù)據(jù)庫,論證地籍?dāng)?shù)據(jù)庫動(dòng)態(tài)更新機(jī)制要采用的動(dòng)態(tài)多級(jí)基態(tài)修正模型和“三庫一體”管理模式,并用一個(gè)實(shí)例描述了這一模式的基本思想。