它们以光速传播，而且是一起传播。
He showed they would travel with the speed of light and would travel together.
在喵喵的派对，以光速闹翻天！
电磁波，以光速传播，也就是30万公里，每秒。
Electromagnetic waves travel with the speed of light, which is 300,000 kilometers per second.
宇宙飞船以光速飞行。
任何物体以光速运动时，其长度将会缩短为零。
When an object moves at the speed of light, its length will be reduced to zero.
网络正以光速进行着演变，我们必须乐意去跟上这种变化。
The Internet is evolving at lightning speed and we need to be willing to keep up.
当电报首次以光速长距离传递信息时，我们迎来了转折点。
When the telegraph first moved information over long distances at the speed of light, we'd hit a new turning point.
债权人会大喊着以光速逃离我们债台高筑的国家。
Creditors would run screaming from our indebted nation at the speed of light.
辐射：由以光速运行的无质量或近无质量粒子所构成。
Radiation: composed of massless or nearly massless particles that move at the speed of light.
这远不像一束无线电波“以光速”穿过真空层那样简单。
It is far from simply a radio beam passing through a vacuum at "the speed of light".
从此，你会提出以光速的速度，每个人都会知道你的名字。
From then on, you will be moving at the speed of light, and everyone will know your name.
我们确定，主波包传播的速度不能超越以光速c传播的前驱。
We are sure that the main wave packet cannot travel faster than the precursor, which travels at c.
如果你开著以光速行进的车，打开车灯的时候会发生什么事？
If you're in a vehicle going the speed of light, what happens when you turn on the headlights?
这种能量是一种电磁辐射，所以以光速传播，不需要承载媒质。
The energy is electromagnetic radiation and so travels at the speed of light and does not require a medium to carry it.
小提醒：神经以光速来传递信息，帮忙你敏捷对各类工作做出反映。
Tips: Nerve messages move at lightning speed, which helps you react quickly to things.
我的工作没了，生活正以光速改变着，而“退休”计划还没有踪影。
My job is gone, my life is changing at the speed of light and the "retirement" plan hasn't shown up.
75岁的高昆是信息沿纯玻璃纤维以光速传输达数千公里技术的先驱者。
Kao, 75, pioneered the art of sending information down pure glass fibres at the speed of light and over distances of thousands of miles.
它们的质量非常接近零，因此，即使在中等能量下，我们也希望它们以光速传播。
They are very nearly massless and thus, even at moderate energies, we'd expect them to travel essentially at the speed of light.
因为X射线以光速运行，因此反射表明，大约在350光年前，有一个物质落入黑洞。
Since x-rays travel at the speed of light, the echo indicates that an object fell into the black hole around 350 years ago.
另外，由于宇宙是如此广袤，信号以光速从最近的一颗恒星传到太阳也要花去数年时间。
Moreover, because the universe is so vast, it takes years for a signal travelling at the speed of light to reach only as far as the next star to our sun.
据爱因斯坦，这表示它们必然以光速行进—而且，由于光速运动，它们不会经历时间的流逝。
According to Einstein, this means they necessarily travel at the speed of light-and, as a consequence, do not experience the flow of time.
闪亮的回击以光速的一半速度上行传播，由于它的速度太快，在一张图象中不能捕捉到这一过程。
The bright return stroke travels upward at around half the speed of light, and is too fast to capture in more than one image.
爱因斯坦花了十年的时间思考关于镜子的问题，如果他以光速行进，他还能在镜子中看到自己吗？
Einstein spent ten years thinking about a mirror that troubled him. If he traveled at the speed of light and looked into a hand-held mirror, would he see his reflection, or not?
科学家发现，单个光子的前驱波头一般以光速c传播，就像由大量光子携带的信号的传播速度一样。
The scientists found that the precursor wave front of a single photon always travels at c, like the signal velocity of large groups of photons.
科学家发现，单个光子的前驱波头一般以光速c传播，就像由大量光子携带的信号的传播速度一样。
The scientists found that the precursor wave front of a single photon always travels at c, like the signal velocity of large groups of photons.
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