失速区与非失速区之间存在着复杂的质量交换，后者证实了失速区边缘处存在穿越流动现象。
It is confirmed by the latter that the fluid must cross from one side of the cell to the other in the tangential direction.
德国经济增长失速，欧元区正处在陷入6年内第三次衰退的边缘。
Now that German growth has stumbled, the euro area is on the verge of tipping into its third recession in six years.
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