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- FLOCK button. Pressing the Frequency Lock button will disable all frequency determining controls on the front panel, to prevent accidental changes of frequency. 频率锁定,按下这个按钮前面板所有频率控制按钮将被禁用,防止意外改变频率。
- Because of the frequency lock loop traction PLL filter can be designed very narrow, with very good noise suppression performance, to meet the precise requirements of carrier phase tracking. 由于有锁频环的频率牵引，锁相环路滤波器可以设计得很窄，具有很好的抑噪性能，满足精确跟踪载波相位的要求。
- Digital Automatic Frequency Lock 数字自动频率锁定
- digital frequency lock loop(DFLL) 数字锁频环
- The FLL features digital frequency locked loop (FLL) hardware that, in conjunction with a digital modulator, stabilizes the DCO frequency to a programmable multiple of the watch crystal frequency. 在FLL 功能数字频率锁定环（ FLL ）的硬件，与数字调制器，稳定会计频率可编程多的观赏晶体频率。
- It adopts the way of PLL (Phase Locked Loop) and FLL (frequency Locked Loop).It not only satisfies the dynamic capability and tracking precision, but also can alternate according to the environment. 在载波跟踪中，采用了PLL(锁相环)与FLL (锁频环) 结合的载波跟踪方案，使得跟踪环能够同时满足动态性能与跟踪精度的要求，且根据环境的变化使PLL和FLL交替工作。
- 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 Locking servo control circuit 锁频伺服控制电路
- equivalent Q resonant frequency locking 等Q共振锁频
- modulation-free laser frequency locking 无调制锁频
- 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。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- 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。
- "FLOCK button. Pressing the Frequency Lock button will disable all frequency determining controls on the front panel, to prevent accidental changes of frequency." 按下频率锁定按钮前面板所有频率控制按钮将被禁用,防止意外改变频率。
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- He manipulated the frequency dial of the radio. 他开始调拨频率键盘。
- The pitch depends on the frequency. 音调的高低是由频率决定的。
- The resulting frequency varies by a few percent. 最终频率有少许变动。
- I am majored in audio frequency amplifier. 我主修音频放大器。
