短語詞組短語amplitude phase characteristic 幅度相位特性;振幅相位特性;幅相特性amplitude frequencyload characteristic relation 幅頻amplitude e characteristic 振幅特性amplitude time characteristic 振幅時(shí)間特性;振幅隨時(shí)間變化amplitude frequency characteristic 振幅頻率特性;幅頻特性amplitude resonance characteristic 振幅響應(yīng)特性;振幅共振特性amplitude response characteristic [電子]振幅響應(yīng)特性;幅頻;幅頻特性;振幅特性曲線amplitude spectrum characteristic 幅頻特性logarithm amplitude frequency characteristic 對數(shù)幅頻特性 返回 amplitude characteristic