oscillationn.振动；动摇；彷徨；振幅；单一的振动循环oscillationg charge[电] 振荡电荷oscillation impulse振荡脉冲oscillation counter振动计数器oscillation burning振荡燃烧Oscillation current振荡电流oscillation problem振荡问题oscillation circuit振荡电路oscillation bearing摆动轴承oscillation exciter激振器oscillation display振荡显示