英语词汇“radio spectrum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	radio spectrum
释义	WordReference Random House Unabridged Dictionary of American English © 2024 ra′dio spec′trum, Physicsthe portion of the electromagnetic spectrum that includes radio waves. 1925–30 Collins Concise English Dictionary © HarperCollins Publishers:: radio spectrum n the range of electromagnetic frequencies used in radio transmission, lying between 10 kilohertz and 300 000 megahertz
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