The speed of light in free space is one of the fundamental constants of nature.
真空中光的速率是自然界的基本常数之一.
辞典例句
We move about, even in jet travel, at speeds far less than the speed of light.
我们即使是乘飞机旅行, 运动的速率也远小于光速.
辞典例句
No input of energy , however great, can push the speed past the speed of light.
不管供给多大的能量, 也不可能使速率超过光速.
辞典例句
Heinrich Rudolf Hertz proves that electricity is transmitted at the speed of light.
海因里希.鲁道夫.赫兹证实电是以光速传播的.
互联网
Imagine a data storage device the size of an atom, working at the speed of light.
想像一下数据存储装置只有原子大小 、 并以光速工作.
互联网
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