The north and south winds met where the house stood, and made it the exact center of the cyclone.
那南方的和北方的风，在屋子的地方会合着，形成了旋风的中心。
It is found that: the center of the cyclone separation is a forced upward rotation vortex; the external is a quasi-free downward rotation vortex.
研究发现：旋风分离器的中心为向上旋转的强制涡，外部为向下旋转的准自由涡。
The typhoon is a category of tropical cyclones. In meteorology, press the world meteorological organization definition: tropical cyclone center sustained winds up to 12 level.
台风是热带气旋的一个类别。在气象学上，按世界气象组织定义：热带气旋中心持续风速达到12级。
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