基本解釋n.國(guó)際頻率注冊(cè)委員會(huì)同根派生 IFRB相關(guān)詞英漢例句IFRB [International Frequency Registration Board] 國(guó)際頻率登記委員會(huì)International Frequency Registration Board (IFRB) 國(guó)際頻率登記委員會(huì)IFRB更多例句