采用格子涡方法对二维平板混合层流动进行了数值模拟，重点考察了格子涡方法定量模拟混合层流动流场下游不同流向位置各湍流统计平均量的能力。
The mixing layer flow is numerically simulated by the Vortex-in-Cell method, with the emphasis on its ability of simulating quantitatively the spatially developed mixing layer.
从受损区到更原始流区的基因流的数量急剧增加，导致了大量的基因流动，进而降低了后代的总体适应性。
Such a dramatic increase in straying from damaged areas to more pristine streams results in substantial gene flow, which can in turn lower the overall fitness of subsequent generations.
流过鸟翅膀的空气在翼尖后向上流动，这种现象被称为上升流。
The air flowing over a bird's wings curls upwards behind the wingtips, a phenomenon known as upwash.
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