短語詞組短語periodic relaxation oscillation 周期性弛豫振蕩periodic oscillation solution 周期振蕩解Two Periodic Oscillation 雙周期振蕩periodic air pressure oscillation 周期變壓almost periodic oscillation 殆周期振蕩constant periodic oscillation [經(jīng)]等周期振蕩the two periodic oscillation 雙周期振蕩periodic oscillation detail 周期搖蕩forced periodic oscillation 強(qiáng)制周期振蕩 返回 periodic oscillation