垂直强迫振动
vertically forced oscillation
forced vertically oscillation
非线性强迫振动
nonlinear vibration
nonlinear forced vibration
扭转强迫振动
torsional forced vibration
强迫振动的微分方程
differential equation of forced oscillation
强迫振动机构
forced vibratory mechanism
强迫振动响应
forced vibration response
forced response
热力动力学强迫振动源
The source of thermodynamical and dynamic forced oscillation
无阻尼强迫振动
undamped forced vibration
强迫扭转振动
forced torsional vibration