In the upper layer, there are the blocking speed-down zone inter-belt, the whirlingspeed-down zone behind the belt, the conflux accelerating zone just behind the top of shelterbelt.
在林带上部，有林带间的阻滞减速区和林带后的涡旋减速区，在林带顶后部有集流加速区。
2
When ms Bullock's character is buffeted by a stray fragment of machinery, it sends her whirling away at what seems to be an impossible speed-but it is not impossible in space.
布洛克饰演的角色受到机械碎片的冲击，导致她以不可思议的速度旋转——这在太空中是完全可能的。
3
Mix the pump and adopt the whirling impeller of high speed, the material and liquid that will need to mix carry on abundant and effective mixing.