Acoustic correlation velocity measurement technology is used to make measurements of velocity relative to the seabed.

声相关测速技术可以测得舰船相对于海底的绝对速度。

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The algorithm needs no accurate information on the curvature command and velocity relative heading angle of the target.

这种方法不需要得到目标精确的曲率命令和速度方位信息。

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Combining the measured velocity with the relative masses, they can calculate the mass of the star directly.

结合群众的相对速度测量，可以计算出它们的质量直接明星。

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If I am an inertial observer, another person moving relative to me at constant velocity will also be an inertial observer.

如果我是惯性观察者,那另一个相对于我做匀速运动的人,也是一个惯性观察者

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But things which were at rest will move at a constant velocity, opposite of the velocity that you have relative to me.

这些静止的东西都在匀速运动,方向正好跟你相对我运动的速度方向相反

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There's infinite number of them, but they're all moving relative to each other at constant velocity.

有无数个惯性观察者,但是他们都在相对于彼此,做匀速运动

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Radar measurements are incredibly accurate: we get the distance to the asteroid very, very precisely, and we can also get its velocity relative to us.

BBC: Apophis asteroid: Large space rock flies past Earth

These thrusters will produce a force roughly the same as whispering in somebody's ear which should be just enough to keep the two spacecraft moving at a relative velocity of less than 20 microns a second.

ECONOMIST: Birds of a feather

Given this, how are the newest smart marketing people dealing with the volume and velocity of data and using it to gain insight relative to what consumers want and need?

FORBES: How IBM Helped "X Factor" Up Its Ratings