This article introduces the goal ,framework and main content of constructing the on-line monito‐ring system of key pollution sources in Liaohe River basin ,w hich have an important guiding significance for pollutants discharge reduction and automatic monitoring management .%介绍了辽河流域重点污染源在线监控系统建设目标和架构以及主要建设内容,为污染减排及自动监控管理工作提供参考。
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