名词
中文翻译：无线电通信
同义词：
['radio communication', 'radio transmission', 'radio relay', 'radiosignal']
例句：
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1. The policeused a radio communication to alert the publicabout the emergency situation.
警方使用无线电通信向公众通报紧急情况。
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2. The scientistcommunicated with his colleaguesvia radio transmission.
科学家通过无线电传输与同事交流。
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3. The relaystation was responsible for transmitting radio signals from one locationto another.
中继站负责将无线电信号从一个地点传输到另一个地点。