communication network

漢語翻譯

例句：

1. Thefirst telephone was the precursor of modern communications networks.
   最早出現的電話是現代通訊網的雛型。
2. Mindful of the need to maintain efficient communication, the board of directors decided to construct a new communication network.
   董事會注意到維持有效通訊的需要，因此決定建立一個新的通信網。