Terms containing multilevel modulation

Subject	English	Chinese
el.	multilevel amplitude and phase modulation	多电平调幅与调相
el.	multilevel amplitude modulation	多电平调幅
telecom.	multilevel modulation	多电平调制
el.	multilevel pulse code modulation, intensity modulated pulse source	多级脉码调制、强度调制脉冲源
el.	multilevel pulse code modulation, polarization modulated pulse source	多级脉码调制、极化调制脉冲源
el.	multilevel quadrature amplitude modulation	多电平正交调幅