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。
2
You can see that each ring in the multi-polygon is transformed to a single sub-path in SVG, started with the m control character and terminated with Z to close the ring.
可以看到，多多边形中的每个环都被转换成s VG中的一个子路径，每个环以控制字符m开始，以Z结束。
3
The M-Commerce platform USES a message path finding algorithm to create a message queue in XML message engine for routing.