radiofrequency carrier的用法和樣例：
例句
- A VF carrier system can be operated over any telephone type circuit, wire or radio.
話頻載波系統可利用任何電話類型的有線線路或無線線路工作。 - The technology of low voltage powerline carrier spread spectrum communication and the auto meter reading system based on it are introduced in this paper.
本文就低壓電力線擴頻載波技術及其在自動抄表中的應用進行了研究。
