Special relativity is also based on a second assumption that gives the speed of light - 186, 000 miles per second (300 million meters per second) - in a vacuum a special status.
狭义相对论也奠基于它的第二个假设：他所设定的真空中光速为每秒186,000英里(每秒300,000千米)有它的特殊地位。
In a vacuum they all travel at the speed of light; they are all composed of electric and magnetic vectors which are perpendicular to each other; they are all quantized as photons, and so on.
在真空中，它们都以光速前进；它们都由彼此垂直的电磁矢量构成；它们都可以用光子来量化，等等。
One theory Kostelecky and his colleagues put forward in 1985 predicted that neutrinos could travel faster than the speed of light by interacting with an unknown field that lurks in the vacuum.
Kostelecky和他的同事在1985年提出的一个理论预测，中微子通过与潜伏在真空中的一种未知的场的相互作用，可以比光速跑得更快。
Special relativity is also based on a second assumption that gives the speed of light — 186,000 miles per second (300 million meters per second) — in a vacuum a special status.
狭义相对论也奠基于它的第二个假设：他所设定的真空中光速为每秒186，000英里（每秒300，000千米）有它的特殊地位。
This found that if the reverse idea of the electron charge-mass ratio as a known quantity, it can re-theoretical derivation, and thus obtain the value of the vacuum in the speed of light.
笔者发现，如果进行逆向构思，把电子的荷质比作为已知量时，可重新进行理论推导从而得到真空中的光速值。
As we learned in school, radio signals all travel at the speed of light, but this is literally true only in an absolute vacuum.
我们在学校里边知道了无线电信号都是以光速行进的，但是这句话只有在完全的真空中才是完全正确的。
The speed of light can only be precisely measured when the light is traveling in vacuum.
光速只有在真空状态下才能够被准确测量。
The speed of light can only be precisely measured when the light is traveling in vacuum.
光速只有在真空状态下才能够被准确测量。
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