“中频”的英语？

中频不稳定性的研究经历了极为曲折的道路.Intermediate frequency instability has had the most uneven history.在模拟系统中通常是由中频信号的失真所引起.Typically caused by mid frequency distortions in an analog system.中频电源已广泛应用于工业加热领域.Medium - frequency power supp...

“中频”的拼音为：zhōng pín...