Often a raised floor is used so the area under the floor may be used as a large plenum for cooled air and power cabling .

往往是一个活动地板是用来做下的面积地板可作为一个大型的冷却空气中全会和电力电缆。

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These provide a plenum for air to circulate below the floor, as part of the air conditioning system, as well as providing space for power cabling .

这些提供了全会的空气流通低于楼的一部分，空调系统，以及提供空间，电力电缆。

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The simplest guideline is "No single failure, such as power, network equipment or cabling can disable both heartbeat connections."

最简单的准则是：“无单点故障，例如电源、网络设备或布线都可能导致两条心跳通讯的断开”。

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In the case of the Splendor, the heat generated by the fire damaged two engine control switchboards directly above and melted electrical cabling, causing a total loss of electrical power on board and the failure of the forward engine room.

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Installation of these do-it-yourself security kits is a breeze thanks to simple Cat5E cabling that offers a range up to 400 feet for HDTV cameras (no separate cable is required to power the cameras) and a robust feature set that takes the guess work and hassle out of integrating the system within one's network.

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