distribution by underground cable network
/dˌɪstɹɪbjˈuːʃən baɪ ˌʌndəɡɹˈaʊnd ˈkeɪbəl ˈnɛtwɜːk/
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English · distribution by underground cable network中文 · 地下电缆网络传送Español · red de transmisión por cable subterráneoFrançais · transmission par câble souterrain
意味：Signals can be relayed through a network of underground cables.