短語詞組短語band -spread 調(diào)諧范圍擴展band spread receiver 帶展接收機;展帶接收機receiver band spread 帶展接收機band spread system [通信]擴頻系統(tǒng);頻帶展開制band spread variable condenser 展帶可變電容器band spread tuning control 頻帶展開調(diào)諧控制electric band spread 頻帶展寬band spread tuning 頻帶展開調(diào)諧wide -band spread spectrum 寬帶擴頻 返回 bandspread