The author deals with the flow of fluid through a pipe with narrow groove, and obtains the distribution of velocities in the flow field.

本文研究了流体流过带有狭槽的管道的流动问题，得到了流场中的速度分布规律。

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And these additional velocities that galaxies have that aren't due to the expansion of the universe are due to the uneven distribution of matter in the universe.

而这些星系的额外的速度，不是由于宇宙的膨胀，而是由于物质在宇宙中的分布不均匀。具体地说，我们的银河系正被附近的仙女座星系和室女座星系团拉扯着。

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The basic distribution laws of the tangential and axial velocities of compound hydrocyclones are obtained.

给出了复合式水力旋流器切向速度和轴向速度的基本分布规律。

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The team calculated a distribution of masses and space velocities for some 35, 000 individual free-floating black holes thought to lie within that region of the galaxy.

FORBES: Free-Floating, Nearby Black Holes Detectable By Decade's End, New Study Reports