光速

Whether the rest mass of the photon is zero or not hence became one of the fundamental problems confronted by many physicists.

恒定光速暗含了传播电磁波的媒介——光子的静止质量必须为零的假设，而光子静止质量是否为零也就成为物理学家们一直希望能够正面回答的基本问题之一。

One of the major contributions of Maxwellian theory was that it set up an essential relation between the electromagnetic field and light in vacuum, and defined the speed of electromagnetic wave as the constant speed of light c , which implies a hypothesis that the rest mass of the photon should be zero exactly.

麦克斯韦电磁理论的一个重要贡献在于它将真空中的电磁场与光联系起来，并将电磁场的传播速度定义为真空的属性，即恒定的光速 c ，因而建立了电磁波与光之间的本质联系。

In the relativity theory it depends on both rest mass and velocity. The resistance becomes infinitely great as the velocity approaches that of light.

在相对论中它不仅与静止质量有关并且与速度也有关，当速度接近光速时，抗力便成为无限大。

The experimental test of the photon rest mass is equal to verify the constancy of c , and any conclusive evidence of a finite mass for the photon will bring great influence on development of the whole physics .

对光子静止质量的实验检验，也是对光速不变性原理的一种检验，一旦实验证实光子具有静止质量，即使非常微小，整个物理学的框架将会发生革命性的变化。

The Twilight is a Corellian G9 Rigger freighter, one of the first ships of its class built with a hyperdrive.

作为一艘科瑞利亚G9外架型货船，"黄昏号"是它这个型号里第一批装有超光速推进器的飞船之一。

In a manner similar to the sail found on Dooku's solar sailer, the fan also serves as an alternate form of propulsion, though the ship is fitted with standard sublight and hyperspace drives.

尽管战机装有亚光速和超空间推进器，但是象杜库的太阳帆船一样，战机也有着帆状的习惯性相类点，并且扇翼可以改变形状以产生推力。

As the result, Sci-Fi movies about the light-speed are impossible to do.

作为结果，科幻电影的光速是不可能的事情。

The difference of opinion arises because, where events occur in separated locations, both sets of observers have to make calculations before they can decide on the simultaneity or otherwise of separated events; they have to make allowance for the time it has taken for the light signals to travel from the distant locations, and both insist that the speed of light is a constant in all directions relative to them.

不同的观点就出现了，因为在事件发生的两个地方的两组观察者在确定事件是否同时发生之前都必须先经过计算；他们必须扣除光信号从远处传来时所耗的时间，而同时，他们又都坚信光速在相对他们的所有方向上都是恒速的。

The single-seater short-range vessel lacks a hyperdrive, and as such requires deployment from launch bases and capital ships.

这种单座短程船只缺乏超光速引擎，并且必须依赖大型船舰和发射基地加以布署。

When we Superluminal flight in space and time, we can feel a long time.

当我们以超光速在时空中飞行时，我们就可以感受到时间的漫长了。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。