The integrated city environmental protection information system is a complex system, which integrates multi-system, multi-technique and deals with large quantities of environmental spatial data.
综合城市环保信息系统是一个集成多系统、多技术，同时需要处理大量环境空间数据的复杂系统。
The integrated city environmental protection information system is a complex system, which integrates multi-system, multi-technique and deals with large quantities of environmental spatial data.
综合城市环保信息系统是一个集成多系统、多技术，同时需要处理大量环境空间数据的复杂系统。
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