The vortices in the vortex wave flow have particular moving structure, they develop downstream first, stay at the point for a short time, then move upstream.
涡旋波流场中旋涡有其独特的运动规律——先向下游移动，停留很短的时间后，然后向上游移动。
Spectrum analysis reveals the frequency characteristics of vortex breakdown point oscillation and spiral wave.
频谱分析确定了破裂点脉动和螺旋波的频率特征。
The results also show that in the intensity evolution and the track change of the cyclonic vortex, nonlinear critical point phenomenon appears obviously.
在低压涡旋强度演化和路径变化的过程中，显示出清楚的临界点现象。
A saddle point and horse shoe vortex were formed in the front of the hole because of the rigid body character of coolant jet near the hole.
射流在出口附近具有刚体的特性，并在射流前方形成了鞍点及马蹄涡。
In Francis turbines operating off design point the influence of vortex cavitation is considerable yet not quantitatively known.
以设计点为动力来运转轴向幅流叶轮机，涡空化的影响相当的大但无法用数据表示。
We study numerically the ac response of 2d vortex lattice with randomly distributed point-like pinning centers.
本文数值研究点钉扎中心随机分布的二维磁通点阵的交流响应。
We study numerically the ac response of 2d vortex lattice with randomly distributed point-like pinning centers.
本文数值研究点钉扎中心随机分布的二维磁通点阵的交流响应。
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