The basic principle, generation, transformation and application of optical vortex beams and optical vortices are briefly summarized, as well as their progress.
就涡旋光束和光学涡旋的基本特征和原理进行了概述，对其产生、传播及应用进行了介绍。
The results show that the most significant feature of turbulent free jet is the intermittently generation, shed of elliptic vortex rings, and once they generate they shed immediately.
研究结果表明：湍流椭圆自由射流的最显著特征是椭圆涡环的间歇产生、脱落，这些涡环一旦产生立即脱落。
The generation, shedding and movement of the single pair vortex street formed in the wake are revealed and discussed.
文中介绍了应用超声涡街流量测量技术测量低速气体的一个实验，并对结果进行了分析。
The generation, shedding and movement of the single pair vortex street formed in the wake are revealed and discussed.
文中介绍了应用超声涡街流量测量技术测量低速气体的一个实验，并对结果进行了分析。
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