frequency ringing的相關(guān)資料：
臨近單詞
frequency lock
frequency
frequency domain decisive feedback equalization
frequency-shifted laser feedback interference
frequency conversion velocity modulation system
frequency conversion energy-saving technology
frequency hopping multiple access communication
Frequency Converter Selection and Commissioning
frequency-modulated carrier current telephony
frequency modulation/direct digital synthesis
Frequency Estimation with Sub-Nyquist Sampling
frequency-differential phaseshift keyed system
