radio frequency
/ˈreidiəu ˈfri:kwənsi/a frequency or band of frequencies that lie in the range 10 kilohertz to 300 000 megahertz and can be used for radio communications and broadcasting 无线电频率 (Abbreviations rf, RF)
noun [专属名词] 无线电频率：电磁波频率的一种，其范围从低于3千赫兹延伸到约300吉赫兹，包括用于通信信号（如广播、电视广播、手机和卫星传输）或雷达信号的频率。
The radio frequency used for this station is 98.5 FM. 该电台使用的无线电频率是98.5 FM。
- radio frequency 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 43 Are there strangers in space? radio frequency 名词: 无线电频率
- 网友用 “Radio frequency” 造句精选
- Having the antenna at the bottom means less radio frequency waves are flooding the sensors. 将天线安置在底部意味着传感器会探测到最少的电磁波。
- a radio-frequency amplifier
- Underlying the Internet of Things are technologies such as RFID (radio frequency identification), sensors, and smartphones. 物联网背后的技术包括RFID（无线射频识别），传感器和智能手机。
- Many of them were using a pea-sized speaker to receive the answers over a radio frequency. 很多人借由一个豌豆大小的耳机来通过无线电频率接收答案。