secondary motion

Secondary end points included change in L end-systolic and end-diastolic volume indices and wall motion.

次要终点为左室收缩末期和舒张末期容积指数和室壁运动改善.

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The results show that the non-uniform flow wake induced by secondary motion and vortex always appear in the corner region of casing wall and pressure surface;

研究结果表明：二次流和涡运动导致叶道出口流动尾迹发生于外端壁/压力面角域；

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The results show that the motion of the rotor undergoes complicated nonlinear dynamics phenomena, such as period doubling bifurcation, tangent bifurcation and secondary Hopf bifurcation.

结果表明，转子运动呈现倍周期分叉、切分叉和二次Hopf分叉等复杂的非线性动力学现象。

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