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- multi frequency code signaling 多频编码信令
- multi frequency code 多频编码
- You can select single, dual or multi frequency among Germany (DCF, 77.5kHz), US (WWVB, 60kHz), Japan(JJY40 &NJJY60), or UK(MSF 60kHz) . 全球独创铜字面电波表。根据不同国家的频率，生产单频，双频，多频的机芯（DCF，JJY，NJJY，MSF，WWVB）。
- First edition video frequency encoder design books, extremely easy to understand, but speaks the video frequency code in principle and the design method is very thorough. 一本原版的视频编码器设计图书,非常易懂,但是将视频编码中的原理和设计方法讲的很透彻。
- multi frequency energy harvesting 多频能量采集
- multi frequency signaling system 多频信令系统
- Dual Tone Multi Frequency(DTMF) signal DTMF信号
- dual channel audio frequency code and decode 双音频编解码
- sequential single frequency code 顺序单频电码
- pilot frequency code element sequence 导频码元序列
- Dual Tone Multi Frequency detection [DTMF detection] 双音调多频探测
- Dual Tone Multi Frequency generation [DTMF generation] 双音调多频放射
- multi frequency test system for automobile shock absorber 多频减振器试验台
- dual tone multi frequence (DTMF) 双音多频
- He varied the transmission frequency. 他变换了无线电传送的频率。
- Parametric faults detecting with multi frequency test applied in ATE ATE环境下的多频测试参数故障检测
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Combination pulse and frequency coding system 脉冲与频率组合编码制
- Turn the mode dial to select multi exposure mode. 把模式盘转到多重曝光模式。
- 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。
