短語詞組短語Frequency y deviation noise 頻率漂移噪聲frequency tolerance deviation 頻率容許偏差unwanted frequency modulation deviation 無需要調頻偏差frequency -deviation envelope 頻偏包跡frequency alias deviation 頻偏frequency alias deviation region 頻偏範圍no frequency -deviation 頻率無差FMDM Frequency Modulation Deviation Meter 調頻測偏計residential frequency deviation 賸餘頻偏 返回 frequency deviation