At the root of this strange time warping effect lies Einstein's postulate that the speed of light should be the same for all observers, no matter how fast they are moving.

实际上，根据爱因斯坦假设的时间隧道效应，光速在所有观察者眼中是不变的，无论他们移动的多快。

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The constancy of the speed of light essentially underpins our understanding of space and time and causality, which is the fact that cause comes before effect.

光速常数实质上支撑着我们对于空间、时间和因果关系的理解。我们都相信因在果之前的事实。

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At the same time, it to light condition demand is not high, even in the sun too plenty of indoor, its photoelectric conversion rate will not be too big effect.

同时，它对光照条件要求不高，即便在阳光不太充足的室内，其光电转化率也不会受到太大影响。

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An honest certification to that effect would not be possible at this time in light of much evidence that the military is not ready for the adverse effects that would flow from such a repeal.

CENTERFORSECURITYPOLICY: Gates' Choice: His Damage to the All-Volunteer Force

Jack Ng and his colleagues at the University of North Carolina, Chapel Hill, have written a paper arguing that Dr Lieu overestimated by a factor of several million the effect that fluctuations in space and time would have on light.

ECONOMIST: Planck-scale physics