名词
中文翻译：阴极管电话
同义词：
['electrophone', 'cathode telephone']
例句：
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1.The cathodophone was used to transmit signals over long distances.
阴极管电话被用来在长距离上传输信号。
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2.The cathodophone was a revolutionary invention that changed the way we communicated.
阴极管电话是一种革命性的发明，改变了我们沟通的方式。
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3. In the early days of radio, cathodophones were the primary means of communication between stations.
在无线电的早期阶段，阴极管电话是各电台之间通信的主要手段。