| 释义 |
radio spectrum 【通信工程】无线电频谱 以上来源于：《21世纪大英汉词典》 radio spectrumn.【电信】射频频谱；无线电频谱详细释义源自:《新世纪英汉大词典》Collins外研社 n.射频频谱；无线电频谱【电信】英英释义n.the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and |