spectrum spread的用法和樣例：
例句
- It uses spread spectrum technology.
它使用擴頻技術(shù)。 - A small scale digital trunking communication system based on the spread spectrum technology was presented.
介紹了一種基于擴頻技術(shù)的全雙工通信小型集群通信系統。 - The current communications capabilities could be increased in a dramatic way by broadening the radio spectrum into the millimetre and optical-frequency ranges.
將無(wú)線(xiàn)電頻譜擴展到毫米和視頻范圍，可極大增加當前的通訊能力。
