名词
中文翻译：数字线
同义词：
['digital line', 'digital wire']
例句：
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1. The digital line is used to connect different devices together.
数字线用于连接不同设备。
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2. The digital line is essential for transmitting data between computers.
数字线对于在计算机之间传输数据至关重要。
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3. The digital line has greatly improved the efficiency of our communication system.
数字线大大提高了我们通信系统的效率。