对于一个需要提供智能服务并节省资金的城市，该城市的部门则需要紧密地协作、分享他们的数据以及使用一个共同的信息技术基建设施。

For a city to offer smart services and save money, its departments have to work closely together, share their data and use a common it infrastructure.

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目前，越来越多的城市规划部门已经建成或者准备建设基于GIS的城市规划与管理信息系统。

Nowadays more and more urban planning departments have constructed or prepare to construct the information system based on the GIS urban planning and management.

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数字城市是数字地球建设中的一个信息节点，又是数字地球的基础。

Digital City is one of information nodes of the construction of Digital Earth and is the base of Digital Earth.

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