In this paper we turn out the coherent-state expression of energy-momentum stress tensor in two dimensional Schwarzschild black holes.
讨论了一个二维黑洞的能量应力张量的相干态表示，并将这样得到的结果与已有的结果进行比较和讨论。
In this paper we turn out the coherent-state expression of energy-momentum stress tensor in two dimensional Schwarzschild black holes. The results have been discussed as well.
讨论了一个二维黑洞的能量应力张量的相干态表示，并将这样得到的结果与已有的结果进行比较和讨论。
The relativistic relation of radiant heat was educed by transforming energy-momentum 4-vector of a single photon. The elicited results make sure P-E theory of relativistic thermodynamics once again.
通过单个光子的能量-动量四维矢量变换，导出了辐射热量的相对论关系，所得的结果再一次证实了相对论热力学的P_E理论。
In physics, moving objects have two characteristics relevant to understanding the dynamics of energy systems: inertia and momentum.
在物理学中，运动的物体有两个特征与理解能量系统动力学相关：惯性和动量。
By far, the biggest type of momentum that comes into play when it comes to changing our energy system is economic momentum.
到目前为止，改变我们能源系统的最大动力类型是经济动力。
Another type of momentum we have to think about when planning for changes in our energy systems is labor-pool momentum.
在计划改变能源系统时，我们必须考虑的另一种动力是人力资源动力。
Never confuse momentum with energy.
不要混淆动量和能量。
This momentum gives the train enough energy to make it up the next hill.
这种动量使车体有足够的能量爬上下一个坡。
He said G20 YES is a fabulous initiative, gathering so much energy and momentum from all over the world.
他说，G20青年企业家峰会极富创见，它汇集了全世界的能量和动力。
Momentum on changing energy policy began in the last two years, as state after state passed regulations promoting renewable energy.
改变能源正财的动力来自于过去的两年，因为一个接一个的州通过了可再生能源促进法案。
It is momentum - that invisible, universal force that can saturate your every choice, your every step, your every breath, your every moment of resolve with vibrant, joyful energy.
它就是动力——不可见、但普遍存在的力量。它能够渗透到你的每一个选择，你的每一个脚步，你的每一个呼吸，你的每一个充满活力、快乐的决心的时刻。
Energy can change or cannot change, can increase or decrease or remain the same kinetic energy, but if there are no external forces on the system, momentum is always conserved.
能量可变可不变，可增加或减小，或保持动能不变，但若系统无外力，动量总是守恒。
It's symbolic of the company - we have so much momentum and energy right now, and I wanted to unify the creativity and the dynamic attitude of all the employees driving this company forward.
Horseferry大楼是我们公司的标志象征-我们现在拥有充足的势头与能量，我们希望团结所有员工的创造力和充满活力的态度，来推动公司一直向前。
Nature can deal with kinetic energy one way or another, but it cannot finagle momentum.
自然可以应对动能，以这样那样的方式，但它却无法处理动量。
Kinetic energy and momentum is a totally different thing.
动能和动量，是完全不同的概念。
So momentum is never exactly conserved, and kinetic energy is never exactly conserved either, so it's only an approximation.
动量并不严格守恒，而动能也从不会，完全守恒，它只是一种近似。
The bilateral trade and economic cooperation has seen good momentum with tangible results achieved in energy cooperation in particular.
两国经贸合作势头良好，特别是能源领域的合作取得了扎实成果。
It must have momentum, and yet it has no kinetic energy.
它一定有动量，但它却没有动能。
Bohr says that the energy is quantized through its angular momentum.
波尔说能量通过角动量，被量子化。
Now, the kinetic energy and the momentum depend on your reference frame.
那么动能和动量，取决于你的参考系。
Momentum is conserved, because there was no net external force, so now kinetic energy is also conserved.
动量是守恒的，因为它不受外力，因此动能也是守恒的。
So now here you see in front of your eyes a case that the wall has momentum, but it has no kinetic energy.
你在这里看到，亲眼看到这个例子，墙壁是有动量的，但它却没有动能。
The momentum of the individual particles gets changed, but the net momentum did not change but the kinetic energy was destroyed.
单个粒子的动量,会发生改变，但是总动量不变,而动能被损耗。
So what you see here in front of your eyes that kinetic energy can be destroyed, but momentum cannot be destroyed in the absence of external forces.
你眼前所看到的是，动能可被损耗，而动量不会被损耗，若无外力作用于系统。
Kinetic energy can be destroyed, but momentum cannot be destroyed in the absence of a net external force on the system as a whole.
动能可以被毁，但是动量不能，在整个系统外力，不存在情况下。
Momentum and energy have been united.
动量和能量统一了起来。
The two sides welcomed the new momentum in the energy dialogue after the successful 5th China-EU Energy Conference.
双方欢迎第五次中欧能源大会成功召开后能源对话呈现的新势头。
The two sides welcomed the new momentum in the energy dialogue after the successful 5th China-EU Energy Conference.
双方欢迎第五次中欧能源大会成功召开后能源对话呈现的新势头。
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