| 释义 |
radio signal
释义
无线电信号：通过无线电波传输和接收的信号，其强度可能因各种因素而变化。
例句
1·A radio signal was sent to the spacecraft.
向宇宙飞船发出了无线电信号。
《牛津词典》
2·The simple detection of a radio signal will be sufficient to answer this most basic of all questions.
对无线电信号的简单探测就足以回答这个最基本的问题。
3·A spaceship's position can be located by following its radio signal , or by using telescopes and radar.
宇宙飞船的位置可以根据追踪它的无线电信号来确定，也可以用望远镜和雷达来确定。
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