| 释义 |
potential energy pəˌtenʃlˈenədʒi Ｓ短语³⁸⁴⁸⁸
基本英英近义反义例句例句
n.势能;位能
功和能
Noun:
the mechanical energy that a body has by virtue of its position; stored energy近义词 P.E.体育(=Physical…
用作名词Potential energy is convertible to kinetic energy.势能可转化为动能。
We can therefore say that the system has internalpotential energy.因此，我们可以说，该系统有内势能。
In the circumstances thepotential energyturns to kinetic energy.在这种情况下，势位能就转化成动能。
Thepotential energyof certain spatially uniform fields can act much like a cosmological constant.对某些在空间中均匀分布的场，它们的位能表现起来就像是宇宙常数。 If I release an object at zero speed, it therefore will always move towards a lower potential energy because the force will drive it to lower potential energy.
它会朝，势能减小的方向运动,因为重力驱使它,向低势能方向运动,现在把重力换成弹力。163
The matter that falls onto the neutron star because there is gravitational potential energy released, and so the matter is so hot that, in general, it's highly ionized.
掉在中子星上，在掉落过程中已加热,重力势能,被释放，物体变得那么热，事实上它被高度电离，被高度电力的物体。163
The force is always opposing the direction of increasing potential energy, so the force will drive it back and so that's why we call this a stable equilibrium.
力一直和势能,增加的方向,相反，作用力会将其推回,那就是为什么称它,稳定平衡的状态。163
What is important, of course, if we get the right answer for the gravitational potential energy, that when we move away from this object that the gravitational potential energy increases.
重要的是，如果我们得到了重力,势能的正确值，当我们远离这个物体,重力势能就会,增加。163
What matters is what the difference between potential energy is.
起作用的是,势能的差异,是多少。163
And how about potential energy? It is not bound.
那么什么是势能，答案不是一定的。163
And then the potential energy, the energy is stored here due to the coulombic force of attraction between the electron and the nucleus.
然后说势能,位能其实就是,由电子和原子核之间的库仑引力而形成的能量。163
At infinity, there's no stored potential energy, and it drops off more and more negative as one over R.
在无限远处，没有储存的势能，并且它向负方向减少，当距离超过 R时。163
In physics, you call potential, electrical potential or gravitational potential, the potential energy.
在物理学里面，把势，称为势能。163
Let me first give you the formal definition of gravitational potential energy.
我先给你一个对于,重力势能的形式定义。163
Notice the gravitational potential energy goes down.
注意，重力势能,是减小的。163
Notice that the gravitational potential energy increases.
注意，这里,重力势能是增加的。163
That means the sum of potential energy and kinetic energy.
总功指的是势能,和动能的总和。163
The force will drive it to lower potential energy.
势能减小的方向,如果我们知道这个力。163
The minus sign is telling you that the force is always pointing in the direction of the potential energy.
力一直是指向,这个方向的,它和势能的增长方向,这就是负号。163
The spontaneous change lowers the potential energy in that case.
在这个例子中,自发变化减小了势能。163
You see, that is the term of the potential energy that you have there.
你们看，这是,我们已经得到的,势能的等式。163 |