名词
中文翻译：声波发射器
同义词：
['sounding', 'sounder', 'sonic transmitter']
例句：
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1.The sound transmitter was used to send signals over long distances.
声波发射器被用来在远距离上发送信号。
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2.The sound transmitter was designed to detect underwater objects.
声波发射器被设计来探测水下物体。
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3. The sound transmitter was used in the construction of submarines.
声波发射器在潜艇的建造中使用。