medium-wave band
中波波段
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船用中短波波段 intermediate marine band
·2,447,543篇论文数据，部分数据来源于NoteExpress
所以呢，一条单一的调频波段只有几米长，差不多就一辆车的大小。中波波段比调频波段长几百米呢！
As a result, a single radio wave from an FM station is only a few meters long, about the size of a car. An AM station is putting out radio waves that are hundreds of times as long!
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