In the length of time it takes for the light to get from that bulb to the table, this machine processes two operations.

在光从灯泡到达桌子所需要的时间内，这台机器进行了两项操作。

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If you could move at the speed of light, your time would stand still, if you could move faster than light, your time would move backward.

如果你能以光速运动，你的时间就会静止不动；如果你能以快于光速的速度运动，你的时间就会倒退。

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Traffic was unusually light for that time of day.

交通在白天的那个时段有些异常地顺畅。

《柯林斯英汉双解大词典》

Their appearance changes endlessly with the light,the time of year, and the weather.

VOA: special.2009.10.07

OK. In the length of time it takes for the light to get from that bulb to the table, this machine processes two operations.

好，在灯光从灯泡到,桌子的这段时间内，电脑已经进行了两次运算了。

麻省理工公开课 - 计算机科学及编程导论课程节选

A gig is 10 to the 9, so it does two operations in the length of time it takes light to get from one foot off the table down to the table. That's amazing.

因此光行进一英尺的,时间内电脑可以,进行两次基本运算,这太神奇了。

麻省理工公开课 - 计算机科学及编程导论课程节选

We bounce light off of visible parts into hidden parts and then measure the time and direction of returned light.

CNN: A camera that can see around corners

Has the charge of the electron or the speed of light altered over time, or has some combination of effects occurred?

ECONOMIST: Fundamental physics

Physicists have known for a long time that the speed of light is reduced when it travels though any transparent medium, such as water or glass.

BBC: A Bose-Einstein condensate: It slows down light