被偷走的电缆，据报道已经导致火车延迟以及电信网络的维修被拖延。
Filched cables have reportedly caused train delays and stalled repairs to telecoms networks.
转发器可以延伸有用的电缆长度和增加不确定的节点数，转发器可作为提供网络控制器可以接受额外的传输延迟。
Repeaters can extend the useful cable length and node count indefinitely, provided the network controller can tolerate the additional propagation delays.
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