File:Radio_towers_on_Sandia_Peak_-_closeup.jpg · Wikimedia Commons · See Wikimedia Commons
công nghệ truyền tín hiệu hoặc liên lạc bằng sóng radio
Radio is a technology that uses antennas to transmit and receive electromagnetic waves for communication and broadcasting purposes. It matters because it enables wireless transmission of information over distances, making it fundamental to modern communication systems, entertainment, and emergency services.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).