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- FM(frequency nodulation) 调频频率调制
- before transmission, an analog audio signal is converted into a digital signal, which may be transmitted in the AM or FM frequency range. 数字无线电使用一种传播不连贯电压脉冲信号的传送系统，换句话说，作为数字模式，发射之前，把模拟声音的信号转化成数字信号，可在调幅和调频的波段中传播。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- frequency nodulation 调频频率调制
- The headphone cord functions as the FM antenna. 耳机导线也具有FM天线的功能。
- narrow frequency nodulation 窄带调频
- Auditory Trainers or Wireless FM Hearing Systems? 语训器,还是无线调频辅听系统?
- AM/ FM stereo synthesizer tuner. FM立体声合成调谐器.
- I like the stereo music program of FM 97.4. 我喜欢调频97.;4的立体声音乐节目。
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- I can get lots of FM stations on this radio. 用这台收音机我能收到很多调频电台。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Both can be used to tune in to an FM station. 均可用于调出fm电台
- Christ, l sound like FM radio. Relax. （天哪，我的话听上去像是调频广播。放松点！
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- We broadcast on ninety-five point nine (95.9) FM. 我们以调频 95.;9 播音。
- Why are no FM radio stations detected? 为什么检测不到任何调频广播电台?
- Why can't I find the option to play FM radio? 为什么找不到播放调频广播的选项?
- Why did the FM radio stop playing unexpectedly? 为什么调频广播意外停止播放?
