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Frequency Determining Unit 频率测定器
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。
The load of BMPS was measured by the noise frequency determined methods, and it made a steady foundation for the automatic control of BMPS. 磨机负荷的检测采用了目前最为成熟的音频测量法，为实现制粉系统的自动控制奠定了坚实基础。
A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
Left to themselves, the electrons in these circuits naturally swing to and fro at the resonant frequency determined by the circuits' structure and dimensions. 如果没有外界的干扰，电子在这些线圈中会以共振频率自然来回振荡，而此共振频率取决于线圈的结构及大小。
Current practice and new methods for data collection and analysis, performance monitoring, route design, frequency determination, and vehicle and crew scheduling are also discussed. 提出了新的方法来进行数据的采集分析、系统性能的监控、路线设计、车辆运营调度和乘务人员安排等。
Determining Unit Weight of Loess Crust with the Method of Coating a Thin Film 涂膜法测定黄土结皮容重
He varied the transmission frequency. 他变换了无线电传送的频率。
A unit of frequency equal to one billion(109)hertz. 十亿赫兹频率单位等于十亿（109）
Method of determining unit price of labour, materials and machines of foreign projects 国外工程工料机单价的确定方法
A unit of frequency equal to1, 000 hertz. 千赫兹频率的单位，等于1000赫兹
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。
A unit of frequency equal to one billion(109) hertz. 十亿赫兹频率单位等于十亿（109）
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。