名词
中文翻译：交替频率
同义词：
['alternative frequency', 'alternate frequency', 'alternative frequency']
例句：
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1. The radio stationbroadcasts a mix of music and news at alternate frequencies.
该广播电台在交替频率上广播音乐和新闻。
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2. The new technology allows for an alternating frequency communication system.
新技术允许使用交替频率通信系统。
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3.The alternating frequency method is used to measure the speed of sound in different mediums.
交替频率方法用于测量不同介质中声速的速度。