... frequency deviation 频差,频移,频率偏移 frequency device 频率敏感元件 frequency discrimination 鉴频 ...
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VFD Variable Frequency Device 变频器 ; 变频装置
frequency presetting device 频率预置器
low frequency device 低频器件
variable frequency device 变频装置
changing frequency device 变频调速
programmable dividing frequency device 可编程分频器
Video frequency device, display method, record method and reproducing method.
视频装置,显示方法,记录方法和再现方法。
SAW filter as the key high-frequency device has become of more and more importance.
SAW滤波器作为关键的高频器件。已变得越来越重要。
Similarly, another company had developed an RF frequency device and that also didn't work very well.
相似地,另一家公司开发的射频装置效果也不是很好。
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