瞬时振动  instantaneous vibration; transient state vibration; transient vibration

瞬时自动能量控制器  instantaneous automatic volume control {= IAVE

瞬时自动音量控制  IAVC; instantaneous automatic volume control

瞬时自动增益控制  IAGC; instantaneous automatic gain control; instantaneous automatic gain control {= IAGC

达芬系统的自由振动方程  free vibration of duffing equation

非对称自由振动  asymmetric free vibration

非线性多自由振动系统  Nonlinearity multi-degrees freedom vibration syste

非线性自由振动  non-linear free vibration; nonlinear free vibration

横向自由振动  lateral free vibration; transversely free oscillation

局部自由振动  local free vibration

梁非线性自由振动  nonlinear free vibration of beams

无阻尼自由振动  non damping free vibration; undamped free vibration

无阻尼自由振动的微分方程  differential equation of free vibration with zero damping

振动自由度  vibrational degrees of freedom; vibrational degree of freedom

轴向自由振动  Strength of Concrete; longitudinal free vibration

桩的非线性轴向自由振动  nonlinear axial free vibration of piles

自动振动加料器  automatic shaking feeder

自动振动旁路控制  auto vibration bypass control

自动振动器  trembler