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![Radio wave - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_11.jpeg)
Radio wave - Wikipedia, the free encyclopedia
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日期:2024-07-07
Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light. Radio waves have frequencies from 300 GHz to as low as 3 kHz, and corresponding ... ......看更多