The variable flow heating system is quite different from the constant flow heating system. So the relative control strategy for the heating network should be changed.

用户成为用热的主体，热网由以往的定流量运行变为变流量运行，热网特性与定流量热网特性完全不同，相应的热网控制策略也要发生变化。

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This paper probes into the idea of designing a CAN-based monitoring system of the gateway station in the heating network, and then discusses the topology structure and the function of the hardware.

论述了采用CAN现场总线的热网首站监控系统的设计思想，描述了硬件的拓扑结构及具体功能。

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Meanwhile, the mobile TV network is also heating up with brands such as ESPN and the NFL beginning to offer mobile service through Sprint PCS.

与此同时，移动TV网络也在升温，像ESPN和NFL这样的分支机构开始通过Sprint PCS提供移动服务。

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In icy Tomsk, the potential for heat loss is even worse: astonishingly, the pipes that carry warm water around the district heating network of Seversk and Tomsk are completely uninsulated.

ECONOMIST: The time-bombs of Tomsk