One of them is: the velocity of light is invariable.
其中一个前提是，光的速度不变。
The students were asked to calculate the velocity of light.
当显示图形的时候，计算速度降低了。
The velocity of light is the ultimate speed limit, being part of the very structure of space and time.
作为时空结构的一部分，光速是终极速度极限。
In other words, its mass must increase without limit when its velocity approaches the velocity of light.
换句话说就是，当它的速度接近于光速时，它的质量肯定无限制的增大了。
The phase velocity of the plasma wave approaches the velocity of light due to the action of the longitudinal electric field.
在这样的纵向电场作用下，等离子体波的相速接近光速。
It having been established that the velocity of light did not behave like that of a wave, the remaining possibility was that it behaved more like that of a projectile.
已经确定了光速与波的表现是不同的，剩下的可能性就是它更像是一个抛射体。
This article introduced the basic theory and method of measuring the velocity of light using the method of phase difference and how to measure the velocity of light using phase difference in air.
介绍了一台自制的利用相位差法测量光速的仪器的基本原理和方法，并通过对光在空气中的传播速度的测定，使大家对用相位变化测量光速仪器有所了解。
Radial velocity is a planet-hunting technique that looks for wobbles in a star's light, which can indicate the gravitational tugs of orbiting worlds.
径向速度是一项搜寻行星技术，可以通过寻找恒星光线的摆动。
Although previous studies have found that the "group velocity" of light can travel faster than c, the "signal velocity" - the speed at which information travels - cannot.
尽管先前的研究已经证实，光的“群速度”可以超越光速c，而“信号传播速度”——光携带的信息的传播速度——不能超越光速。
Although previous studies have found that the "group velocity" of light can travel faster than c, the "signal velocity" -the speed at which information travels -cannot.
尽管先前的研究已经证实，光的“群速度”可以超越光速c，而“信号传播速度”——光携带的信息的传播速度——不能超越光速。
Radial velocity, also known as the Doppler wobble technique, involves searching for wobbles in a star's light that indicate the gravitational pull of an orbiting planet.
径向速度法，也被称为多普勒摆动技术，用于搜索恒星光线的摆动，它显示出来自轨道上运行的行星的万有引力。
The speed of light is widely regarded as the Universe's ultimate velocity limit.
光速被广泛认为是宇宙中速度的极限。
The gravitational field is so strong that the escape velocity near it exceeds the speed of light.
重力场是如此的强大以致于靠近它的逃逸速度超过光速。
In the same pyrolysis condition, the pyrolysis velocity of light hydrocarbon obviously decreases with the increase of carbonized degree and increases with the decrease of coal particle size.
在相同的热解条件下，轻质烃的热解析出速率随着煤种碳化程度的增高而明显降低，随着煤粉粒径的减小而逐渐升高；
And the impacts on imaging target by the type and energy of light source as well as thickness and velocity of lint movement were also discussed.
研究了光透射成像系统中光源种类、光源能量、棉层厚度及皮棉运动速度对成像目标的影响。
According to the analysis of the influence of heavy phase separation and light phase separation on the migration velocity, the track of the migration of the dispersed fluid drops is worked out.
根据重相分离和轻相分离对迁移速度影响的分析，得出分散相液滴迁移运动轨迹。
Then the possibility of larger phase velocity and group velocity than light speed in dispersive medium is discussed.
然后从色散介质中相速度与群速度的关系，讨论了相速度和群速度超光速的可能性。
Aim at production checkout of warhead, the method that use light screens, dada acquiring instrument and position locating board to measure velocity of fragment of warhead is presented.
针对战斗部常规生产检验，提出了采用多个光幕靶、数据采集仪和位置标识器进行测速的方法。
On the basis of Lorentz transformation, correction must be made on visual effect in two aspects, because the value of the light velocity is finite.
在洛伦兹变换的基础上，由于光速的有限值，对视觉效应考虑两方面的修正。
This paper presents the experiment and design thinking for measuring velocity of light by using a copper bromide laser.
本文介绍了用溴化亚铜激光器利用光脉冲法来测定光速的实验及其设计思想。
Though PRP damaged the retinal pigment epithelium resulting in the reducing velocity of the transmission among retinal cells inside, it keeps the function of retinal light receptor cells.
PR P术后视网膜光感受器细胞的功能得以保留，但破坏了视网膜色素上皮，视网膜内各层细胞之间的电位传递速度减慢。
The only way to change the velocity of the electrons was to use a different color of light.
要改变电子速度的唯一方法，是用不同颜色的光。
It provides unparalleled environmental performance in the control of temperature, humidity, air velocity and light intensity.
它提供了极佳的环保性能，能够进行温度，湿度，风速和光照强度控制。
Then the effect of control light intensity and characteristic parameters of drive voltage on the response velocity of FLC-OASLM is simulated and analyzed.
用电路方法模拟了控制光强度以及外部激励信号的特征参数对FLCOASLM响应速度的影响。
This paper presents the on line measurement of size, concentration and velocity of pulverized coal with light fluctuation and correlation method.
该文介绍了结合光脉动法和相关测速法同时在线测量煤粉粒径、浓度和速度的技术和装置。
The climatic conditions, in speaking of the northern slope, are rather high in temperature, strong light intencity, low relative humidity and low wind velocity.
其环境条件，在北坡来说，主要表现于阳光充沛，温度高，大气相对湿度低与土壤干燥。
From the experiment we can see that the response velocity of the light source is quite quick and it can replace tunable laser diode completely in some experiment system.
通过实验验证，该光源响应速度快，在部分场合已完全能替代可调谐激光器。
The so-called velocity of light invariable is the light fluctuation speed is invariable.
所谓光速不变是光的波动速度不变。
The so-called velocity of light invariable is the light fluctuation speed is invariable.
所谓光速不变是光的波动速度不变。
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