英日字典: light_speed
The light_speed has 1 Senses.
- c, speed of light, light speed
- 光速, c, 光速度, c
- the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second
- 光が真空を伝わる速度
返回 →