名词中文翻译
中文翻译：闭路电报系统
同义词：
['closed circuit telegraph', 'closed-circuit teletypewriter', 'closed-circuit teleprinter例句：1. The closed-circuit telegraph system was the first to transmit voice messages over long distances.（闭路电报系统是第一个通过长距离传输语音信息的系统。）']
例句：
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1. The closed-circuit telegraph system was the first to transmit voice messages over long distances.
闭路电报系统是第一个通过长距离传输语音信息的系统。
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2. The closed-circuit telegraph system was used for military communication during World War II.
二战期间，闭路电报系统被用于军事通信。
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3.The closed-circuit telegraph system is still in use today, but it has been replaced by digital communication technologies.
闭路电报系统至今仍在使用，但已被数字通信技术所取代。