quasi-horizontal motion

The angular motion of the models during the quasi-steady flow was recorded by synchroflash and the aerodynamic stability coefficients were derived from the motions by parameter differential method.

采用同步高速摄影方法记录了20ms准定常试验时间中模型的角运动并用参数微分法进行气动参数辨识。

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It indicates that during the longitudinal vibration of the nonlinear viscoelastic pile may occur chaotic motion through the path of quasi-periodic bifurcation.

数值结果表明纵向振动的非线性粘弹性桩可以通过准周期分叉的方式进入混沌运动。

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A set of quasi-3D motion models are deduced by analyzing the actual 3D space motion rules of feature pixel point of motion object in an image sequence under restriction that the feature pixel point must be located in the image plane.

根据序列图像中的运动目标特征像点必须要满足在像平面里的约束条件，又要满足其空间三维运动规律，导出一套准三维运动模型。

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The system motion turns to quasi-period from equilibrium, and this is true for cracked-rotor at the cracked rotor oil film critical instability rotational speed.

裂纹转子在油膜临界失稳时的系统运动亦为拟周期运动。

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When the motion of the basic state is the shear flow ( or the differential rotation), this property means that the unstable waves would evolve automatically into the quasi-stationary stage.

当基态运动为剪切流（或较差旋转）时，这一性质将使不稳定波自动演化到准稳阶段。

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