短語詞組短語amplitude e of oscillation 振蕩振幅amplitude of harmonic oscillation 諧波振蕩振幅amplitude of forced oscillation 強迫振蕩振幅amplitude of damped oscillation 衰減振蕩振幅amplitude of rotary oscillation 扭轉(zhuǎn)amplitude of free oscillation 自由振蕩振幅total amplitude of oscillation 縂振幅 返回 amplitude of oscillation