Amplitudes振幅amplituden.广阔；充足；丰富；[物]振幅amplitude equilibrium振幅平衡amplitude demodulator振辐解调器amplitude reflectance振幅反射度,振幅反射率amplitude-frequencyn.幅率Amplitude modulations振幅调制amplitude measurement幅值测量amplitude coefficient振幅系数amplitude information幅度信息amplitude contraction缩小振幅,减幅amplitude selectivity振幅选择性