final l velocity 末速度
areal l velocity 面积速度
radial l velocity 径向速度
natural l velocity 固有速度
control l velocity 控制风速
The results were: (l)After TAE, portal venous flow and velocity were increased, but portal venous diameter had no significant change.
结果为：①TAE后门静脉血流速度及血流量均较栓塞前增加，而门静脉的内径无明显改变；
dt If you divide both sides by dt, which mathematicians cannot do, but physicists can, then you get /dt=ds/dt d theta/dt equals ds/dt, and v/l that is the velocity divided by l.
如果两边同除以，数学家不会这么做，但是物理学家可以,得到dθ,等于。
The FEM software ANSYS was employed to analyse and simulate the flow velocity in L shape sheet extruder die based on a three dimensional model.
利用大型有限元计算软件ANSYS进行以三维模型为基础的L型机头内部流动速度分析和模拟研究。
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