本文论述了参量振动的性质、参量谐振的条件及其在体育运动中的表现形式,分析了在体操吊环动作中如何运用和控制这一运动形式以建......

<正>Based on linear stability theory, parametric resonance phenomenon of a liquid-gas cylindrical flow in a vertical pip......

Dynamic investigations revealed that lower order harmonic resonance phenomenon exists in the three-frequency of the tran......

<正>The dynamic stability in transverse vibration of a viscoelastic pipe for conveying pulsative fluid is investigated f......