A new laser interferometer for measuring velocity is presented.

介绍新研制的激光干涉测速仪。

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This paper presents the experiment and design thinking for measuring velocity of light by using a copper bromide laser.

本文介绍了用溴化亚铜激光器利用光脉冲法来测定光速的实验及其设计思想。

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Two kinds of methods for verifying the precision of LDV when used in measuring velocity fields of the centrifugal volute are introduced.

介绍了利用激光多普勒测速仪（LDV）测量离心泵蜗壳流道内部速度场时的速度与流量两种校核方法。

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The second piece of information we need to know is what actually the kinetic energy is of the ejected electron, and that's something we can just measure by measuring its velocity.

其次，我们需要知道的信息是,出射电子的动能，这可以通过,测量它们的速度得到。

麻省理工公开课 - 化学原理课程节选

Momentum is mass times velocity, but all electrons weigh the same, so measuring their velocity was enough.

ECONOMIST: Small-scale physics

Always fascinated by gadgetry, he produced his first important invention there: a chronograph for measuring the velocity of artillery shells.

FORBES: The Alchemist