短語詞組短語frequency broadcasting 廣播頻率carrier frequency broadcasting equipment 載波廣播設(shè)備digital audio frequency broadcasting 數(shù)字音頻廣播common -frequency broadcasting system 同頻同播系統(tǒng)common frequency broadcasting 同頻道廣播high frequency broadcasting 高頻廣播tentative high frequency broadcasting schedule 試騐性高頻廣播時(shí)間表frequency modulation broadcasting station 調(diào)頻發(fā)射臺(tái) 返回 broadcasting frequency