The paper focuses on the development and implementation of GIS.

论文着重研究了GIS的开发与实现。

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This paper explains in detail the design and implementation of GIS-based water resource information system.

详细介绍了基于GIS的水利信息系统设计与实现。

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The paper mainly discusses the design and implementation of Qinghai Geological Hazards Management Information System based on GIS.

论文初步探讨了基于GIS的青海省地质灾害管理信息系统设计和实现。

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