There is a series of resonant regions in the velocity space of a magnetized plasma interacting with a single wave.

在相干波与磁化等离子体相互作用的系统中，当波的强度超过某个阈值时，速度空间中的一些共振区将互相重迭。

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By studying the filtered starlight, astronomers can determine such a planet's atmospheric composition and also the direction and velocity that any gas lost to space is moving.

通过研究过滤后的恒星光，天文学家确定该行星大气的组成，以及气体被吹入太空的方向以及速率。

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If I had here a hammer this is a hammer and there were no external forces I would be somewhere in outer space and it would have a certain velocity.

我若是拿着铁锤，这就是铁锤，它不受外力作用，我可能是在外太空，它有一定速度。

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But it's not a big con, because you can set up experiments in free space far from everything, where objects will, in fact, maintain their velocity forever.

但这并不是个反例,因为你可以在一个远离一切的空间里做实验,在那里,物体可以永远保持现有速度

耶鲁公开课 - 基础物理课程节选

All of it is travelling at several kilometres per second - sufficient velocity for even the smallest fragment to do a lot of damage if it strikes an operational space mission.

BBC: UK design to 'harpoon' old satellites

The theory explained that space is relative and not constant, and the only thing that is constant is the velocity of light.

UNESCO: Culture