At present, the modes of the integration of multi-source spatial data are data format exchange, data interoperation, and directly data access.

目前多源空间数据集成的模式有数据格式转换、数据互操作和直接数据访问。

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GIS played an important role in this field by its good function of multi-source data integration, spatial analysis and decision-aiding.

GIS提供的多源数据集成能力、强大的空间分析能力和辅助决策能力在公共安全的预警预报、监测、灾情评估中发挥了重大作用。

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