under-damped motion 欠阻尼运动
aperiodic damped motion 非周期阻尼运动
damped harmonic motion [物] 阻尼谐动 ; 阻尼简谐运动 ; 阻尼谐和运动 ; 制止简谐运动
damped motion of falling body 阻尼落体运动
critically damped harmonic motion 临界阻尼谐振荡
damped oscillatory mode of motion 阻尼振荡运动
damped d motion 阻尼运动
Since the damping matrix in the motion equation of damped blade is no longer decoupled as Rayleigh damping, so the complex mode theory is introduced in this paper to overcome the difficulty.
由于带阻尼围带或凸肩叶片(以下简称阻尼叶片)的运动方程中的阻尼矩阵是非解耦的矩阵，只有引入复模态理论才能圆满解决其特征问题的求解。
A mathematic model of the linear damped oscillation of swing with parameter exciting is presented. The theoretical analysis and numerical simulation for the motion behavior of swing is done.
建立了具有线性阻尼的秋千参激振动的数学模型，并对秋千的运动行为作了理论分析与数值模拟。
Studying the equation of motion of damped simple pendulum, the shock wave solution is found.
研究和分析有阻尼单摆的运动方程，应用近似法方程时发现存在冲击波解并精确求解。
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