通过两种不同计算，得到气固速度比与固粒群的加速区的运动时间和距离的关系。
Though adopting two different calculation, the relation of initial gas and particle velocity ratio and movement time and kinematic range in accelerating zone was gained.
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。
In the upper layer, there are the blocking speed-down zone inter-belt, the whirling speed-down zone behind the belt, the conflux accelerating zone just behind the top of shelterbelt.
他们发现了49个这样的区域，并称之为“人类加速区”(HARs)，这些区域均表现出近期发生过快速进化的迹象。
They found 49 regions they dubbed "human accelerated regions" (HARs) that have shown a rapid, recent evolution.
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