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- Wave speed equals frequency times wavelength. 波速等于频率乘以波长。
- Time clock signal source directly fetches from clock signal of PCI bus in the computer system or signal generator, which can generates high frequency time clock signal. 该时钟信号源直接取自于该电脑系统中PCI总线的时钟信号或是一可产生高频时钟信号的时钟信号产生器,用以供应该计数电路所需的输入时钟信号。
- The generating of pseudo random sequence is one of the key subjects to realize the spread spectrum technique upgrade for BPC low frequency time code radio station. 伪随机序列的产生是实现BPC低频时码发播台扩展频谱技术升级的一个重要环节。
- first high frequency timing pulse stream 高频率定时脉冲流
- fully electronic audio frequency time delayer 全电子音频延时器
- voltage frequency time component 压频时间分量
- Frequency Time Division Multiple Access 频率时间分配多路存取
- Frequency Time Hopping Multiple Access 频率时间跳跃多址
- 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
- 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。
- The aftershock frequency decreases regularly with time. 余震的频度随时间有规律地减少。
- Research on the degressive speed controller of the variational frequency timing hydraulic elevator 变频调速液压电梯下降速度控制器的研究
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- Design of the pumping station of the new type energy saving system of the variational frequency timing hydraulic elevators 变频调速液压电梯新型节能系统的泵站设计
- 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。