单词	treat the stage
释义	英汉大☞on the stage
随便看	frequency change signaling frequency change signalling frequency-change signalling frequency channel frequency channel--fc frequency channel，fc frequency characteristic frequency characteristics frequency characteristics of load frequency chart frequency charts frequency chirp frequency chirping frequency-- circular frequency class frequency coding frequency coherence frequency collapse frequency-- collision frequency comparator frequency comparison frequency compensation frequency compensator frequency compression demodulator frequency compression demodulator，fcd