實用無線通信utility: n. 1.有用,有益;實用,【經(jīng)濟學】效用;功利;〔常 ...radio communication: 無線電(通)訊,射電通訊。 urc utility radio communication: 實用無線電通信communication utility: 通信實用程序utility radio transmitter: 實用無線電發(fā)射機下載手機詞典可隨時隨地查詞查翻譯