名词
中文翻译：短波发送器
同义词：
['shortwave transmitter', 'shortwave radio', 'shortwave transceiver']
例句：
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1. The short wave sender was used to send signals over long distances.
短波发射机被用来在远距离上发送信号。
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2. The engineer was responsible for maintaining the short wave sender's operation.
工程师负责维护短波发射机的运行。
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3.The short wave sender was used to communicate with ships at sea.
短波发射机被用来与海上的船只进行通信。