Some way into its path - perhaps around the 10 m mark (or at about the position of the wall of defenders) - the ball's velocity dropped such that it entered the laminar flow regime.
在球运行路径的某一点(10米处,或人墙的位置)球的速度下降,使空气在球体表面形成较稳定的层流。
What is needed is a regulatory regime that disciplines Banks without forcing them to the wall in such a way that their demise wrecks the payments system.
现在所需要的就是管理银行的监管体系不要通过银行的破产来破坏支付系统,从而把这些银行逼入绝境。
Rifled or other pipe wall corrugation may change the flow from a hetero-generous to a homogeneous regime by introducing a secondary circulation.
在有来复线的或其它的管壁皱纹的管中,由于引起副流,可能将非均质流转变为均质流。
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