part n.部分;零件;角色;部位v.断裂;分离;离开;分开;不赞成adv.部分地adj.分离的(-前缀)
双语例句
In communications, an amplitude modulated signal in which the amplitude of the carrier is reduced to zero for some part of the cycle of the modulating waveform. 通信技术中的一种调幅信号,其载波的振幅在调制波形周期的某些部分减少到零。