名词
中文翻译：中频
同义词：
['medium-frequency', 'medium-power', 'medium-range例句：1. The radio waves are emitted from a transmitter at a medium frequency.（无线电波由发射器以中频发射。）']
例句：
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1. The radio waves are emitted from a transmitter at a medium frequency.
无线电波由发射器以中频发射。
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2.The medium-frequency waves were used to transmit data over long distances.
中频波被用来在长距离上传输数据。
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3. The medium-frequency waves were absorbed by the material.
中频波被材料吸收。