Digital city construction must be Man Land relationship central and information model driven, people database and Geo database are kernel databases of the Digital city.
“数字城市”的建设必须以人地关系为中心，信息模型为驱动，“人”的数据库与“地”的数据库是“数字城市”的核心数据库。
The supervising inputting model is developed on the ARC/INFO (win NT)platform and is applied in practice, the building of underground pipe database of Nanjing city is mentioned systematically.
作者在ARC/INFO（NT版）平台上开发了监理入库模块进行生产应用，并在文中对南京市地下管线数据库的建立进行了系统的阐述。
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