amplitude hit幅度突变amplituden.广阔；充足；丰富；[物]振幅amplitude of videosignal视频信号振幅amplitude discrimination振幅鉴别amplitude amplifier pole变幅杆amplitude of convergence会聚幅度amplitude transmissivity振幅透射率Amplitude of contraction收缩幅度amplitude modulated wave调幅波amplitude interferometry振幅干涉测量amplitude-phase keying振幅相位键控amplitude limiter action限幅器作用