数据中心可以占用一个房间的建设，一个或多个楼层，或整个建设。
A data center can occupy one room of a building, one or more floors, or an entire building.
系统适合于一个场所多机联网控制、多楼层设备联机控制，或对多个特定的场所进行联网控制等。
The node can be applied in control network which is composed of many special sites or industrial workshops.
系统适合于一个场所多机联网控制、多楼层设备联机控制，或对多个特定的场所进行联网控制等。
The node can be applied in control network which is composed of many special sites or industrial workshops.
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