OK, so what's the speed of dark?
好吧，那么黑暗的速度呢？
That's because they use a model of dark matter that decays into certain types of particles such as heavy quarks and travels at the same speed no matter what the temperature is.
由于他们采用的暗物质模型只能衰退为诸如重夸克这样的特定粒子，并且运行速度平稳，未受温度影响。
Astronomers who study star clusters have noticed that the speed at which a star of a given mass spins (measured by tracking cool, dark spots on the surface) also seems to vary predictably with age.
研究星团的天文学家已经注意到质量一定的行星(通过追踪表面阴暗冷却斑点来测量)，其旋转速度随着其星龄呈现可预测性的变化。
To convert measurements of the Milky Way's rotation speed to mass, astronomers must rely on models of how dark matter is distributed in the galaxy.
要把银河系的转速转换成质量，天文学家要依靠模型，而这模型能显示暗物质在星系中是怎样被影响的。
When the lights suddenly became dark, speed up the pace of music, a beam of red light in the middle of the table, a the grass skirt, with countless tails girl, with music and dancing.
这时灯光突然变得昏暗，音乐节奏加快，一束红色的灯光打在台中央，一位穿这草编织的裙子，扎着无数条辫子的少女，随着音乐尽情地手舞足蹈。
"A dark horse," is one that shows unexpected racing speed and comes in first, even though the experts said he had little chance of winning.
“黑马”就是以出人意料的比赛速度而夺魁的马，虽然专家们断言它几乎没有获胜的可能。
The great speed of light explained why when we turn on a lamp in a dark room, the lamp and everything else in the room seem to light up at once.
巨大的光速解释了为什么当我们在黑暗的房间里打开电灯时，灯和房间里的一切都似乎立即亮起来。
A new algorithm of nondestructive, automatic and high-speed inspection is proposed for dark-field image to be used to inspect online optic component damage on high power laser system.
基于强激光系统光学元件损伤的在线暗场成像检测，提出了一种无损、自动、快速检测的新算法。
To get there before dark, you have to maintain a high speed of 80 miles an hour.
你得保持每小时80英里的高速才能在天黑之前到那儿。
To get there before dark, you have to maintain a high speed of 80 miles an hour.
你得保持每小时80英里的高速才能在天黑之前到那儿。
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