speed of light

We cannot dispense with the idea of the speed of light.

我们不能废弃光速这个概念.

The principle of constancy of the speed of light corresponds with the definition of coordinate time. The principle of relativity corresponds with the definition of proper time. The Lorentz factor is the transformation factor between the two definitions of time.

光速不变原理对应坐标时定义，而相对性原理对应原时定义，Lorentz因子正是这两个时间定义之间的转换因子。

The speed of light turns out to be nature's speed limit.

光速原来是自然界的速度极限.

The speed of light plays a special role in relativity theory.

光速在相对论中起着特殊的作用.

Experimental investigations of the photon rest mass are an indirect test of the constancy of the speed of light, and any conclusive evidence of a finite mass for the photon will greatly affect the development of all physics.

对光子静止质量的实验检验，也是对光速不变原理的一种检验，即使光子仅有非常微小的静质量，如一旦得到实验的检验，将会对整个物理学的发展产生巨大而深刻的影响。

The inverse of its slope is the speed of light.

其倾斜的倒数是光速.

Newton law is the basis of classical mechanics, the study of movement speed far less than the speed of light macro object;

古典力学是以牛顿定律为基础，研究运动速度远小于光速的宏观物体的运动；

But in 1974, a three-minute encoded pictogram was transmitted using the large radio antenna at Arecibo, Puerto Rico. It moves at the speed of light, 20000 times faster.

不过1974年，波多黎各的阿雷西博天文台（Arecibo）用大型无线电天线发送了一个3分钟的编码图片符号，运行速度已达光速，比之前的信息快2万倍。

In fact, Hubble's law predicts that galaxies beyond a certain distance, known as the Hubble distance, recede faster than the speed of light.

事实上哈伯定律预测，在某个距离以外的星系，后退的速度会比光速快，这个距离叫做哈伯距离。

Your Gemini boss wants just the facts, in a concise format. Further, you must be able to pump out work at the speed of light.

双子座的老板要的是事实，而且你一定要以光速来完成工作。

Star Trek is about a spacecraft which travels faster than the speed of light.

《星际迷航》讲述的是一个比光速更快的航天器的故事。

Triangle Sagnac Experiment and GPS Range Measurement Equation with a Crucial Test Related to the Principle of the Constancy of the Speed of Light

三角形的Sagnac实验和GPS量程公式与有关光速不变原理的关键性试验

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.

And as the speed of light, the role of the same principle of relativity is the material object and the electromagnetic wave light.

而作为光速不变原理的作用物质，相对论是以电磁波的光而对象的。

They scanned the brains of 40 teens and adults who were playing a virtual driving game designed to test whether players would brake at a yellow light or speed on through the crossroad.

他们扫描了40名正在玩虚拟驾驶游戏的青少年和成年人的大脑，该游戏旨在测试玩家会在黄灯时刹车，还是会加速通过十字路口。

If spaceships that can fly faster than the speed of light were built, a day on board would be equivalent to a year on Earth.

如果太空飞船的速度能超过光速，船上的一天将相当于地球上的一年。

Only when the vehicle speed is lower than 8 km/ h and indicator light of central differential lock is turned on, the front and rear differential can be locked.

该开关位于仪表组件内，只有在车速低于8km/h时且中央差速器锁止指示灯开关接通时，前、后差速器才可以锁止。

An electrical pulse in a wire travels close to the speed of light

电线里的电脉冲以接近光速的速度传输。

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.

The earth moves at a crawl compared with the speed of light.

与光速相比,地球也只是在爬行.

The constancy of the speed of light seems, at first thought, unremarkable.

光速恒定, 初看起来好像很平常.

Vehicle speed can be adjusted, the maximum can reach speed of light.

车的速度可以调整, 最高可达到光速.

In a vacuum, gamma rays travel in straight lines with the speed of light.

真空中, γ射线以光速沿直线前进.

An electrical pulse in a wire travels close to the speed of light.

电线里的电脉冲以接近光速的速度传输。

Since the speed of light is constant, knowing how far away such a "standard candle" is ( calculated from its apparent brightness seen from Earth) is to know how long ago it exploded.

再加上光速是恒定的，知道这样一盏“标准蜡烛”离地球多远（根据地球上观测的视觉亮度计算得出）就能知道它是多久以前爆发的。

The Crucial Experiment for Checking Einstein's Postulate of the Constancy of the Speed of Light

爱因斯坦光速不变假设的判决性实验检验

Scientists have determined the speed of light.

科学家们已测定出光的速度.

Its world line is tipped at the angle corresponding to the speed of light.

它的世界线倾斜的角度与光速相对应.

It is dangerous using this method to measure the speed of light.

用这种方法去测量光速是危险的.

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.