On this foundation, the real-time dynamic monitoring and early warning system of ice run has been practiced by using GIS excellent function on space analysis and operation.
并利用GIS较为完善的空间分析与运算功能，进行凌汛期凌险的实时动态监测预警；
On this foundation, the real-time dynamic monitoring and early warning system of ice run has been practiced by using GIS excellent function on space analysis and operation.
并利用GIS较为完善的空间分析与运算功能，进行凌汛期凌险的实时动态监测预警；
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