And the idea was for a system with a finite number of - states. The idea was so let's say, the way we had it before, there was one state with energy zero.
这是对有有限状态数的系统的想法，想法是，那么比方说，我们之前采取的方法，有一个状态对应的能量为零。
This paper deals with the problem of how to skilfully select spring elastic potential energy zero in applying law of conservation of mechanical energy, and makes some analyses combined with examples.
在应用机械能守恒定律时，如何巧选弹簧弹性势能零点问题进行了探讨，并结合实例进行了分析。
There's virtually no limit to how much of that can be saved, as prototype "zero-energy homes" in Switzerland and Germany have shown.
正如瑞士和德国的“零能耗住宅”原型所显示的那样，能节省的程度几乎是无限的。
Scientists using this theory to trace our universe backward in time have found that its beginning point had a minimum volume that is not zero and a maximum energy that is not infinite.
科学家使用该理论追踪我们的早期宇宙，发现宇宙开始点拥有一个最小的体积，但是并不是零，一个最大的能量但不是无穷大。
Energy Dept.. Also, new technologies such as computer hardware and software, Internet service, and cell phone service rose from near zero to 2 percent of total spending, according to the BLS.
此外据劳工统计局称，新技术上的花销比如电脑软、硬盘，网络服务，手机服务占总开支的比例已从几乎零上涨至2%。
The least-cost option to lower the risk is to start now and steadily transform the global energy system over the coming decades to low or zero greenhouse gas-emitting technologies.
降低风险的最小开销方案就是现在启动政策并且在未来数十年内逐步将现在全球能量系统转变为低温室气体排放或零排放的技术。
So, for starters we'll keep that as our zero energy, we're going to change it soon to make something that makes more sense in terms of bonding, but we'll keep that as zero for now.
因此，首先我们将会保持零点能的这个定义，但很快我们就会对它进行修改,使它在讨论成键时更合理，但是目前我们还是暂时采用这种定义。
So in other words, what it's saying is the configurational energy is zero, because everything is stuck in the ground state.
换句话说，它表示构型能量是零，因为所有分子都冻结在基态。
That doesn't depend on where we arbitrarily put the zero of the energy scale.
这不依赖于我们，对能量零点的设置。
So you get the zero limiting value for the heat capacity, and the energy itself is also zero.
所以热容的极限值是零，能量本身也是零。
One shortcoming of these beams is that they typically have a range of energy, caused by the gradual rise of laser power from zero to its maximum level.
但它的一个缺点就是，激光功率从零升到最大值的过程，会使粒子或X射线束具有一定的能谱分布。
As the Australian Rainforest Information Centre points out, these are the ultimate in low-cost, low-maintenance, zero-energy homes.
正如澳大利亚热带雨林信息中心认为的那样，这样的房子才是低成本、低保养、零耗能房屋的终结。
The bright minds at the University of Maryland created the WaterShed, an impressive one bedroom home that goes beyond net zero energy.
令人难忘的一居室，零能耗的分水岭小屋是马里兰大学集体智慧的结晶。
Once it is open, some time after 2015, it will offer zero-carbon electricity—but also more dependence on Russian energy.
一旦产出的核能开始出口（2015年之后），它给各国带来的是零碳值的供电——但同样，各国对俄罗斯的能源将变得更加依赖。
Green Construction and Zero Energy homes are now coming of age in a very uncertain and unstable economic climate.
在极其不明朗、极其不稳定的经济形势中，绿色建筑和零能耗住宅正在日趋成熟。
It is the point at which particles have a minimum energy, determined by quantum mechanical effects, which is called the zero-point energy.
它指明了粒子有一个有量子机械作用而决定的能量最低值，我们将其称作为零点能。
If that's not zero, unlike the ideal case, now unlike before, where we just had entropy driving the mixture, now there's an energy of mixing.
如果那不是零，和理想的情况不同，和以前不同，以前我们只有熵来驱动混合，现在有混合能。
Leaving aside swings in energy prices, inflation, now about 1.5%, will slip to zero and may turn to deflation in late 2010.
先且不提能源价格的转向，单就现在1.5%的通胀来说，2010年晚些时候它会降至0，并有可能走向通货紧缩。
Because the energy load is so greatly reduced, a series of solar panel arrays will allow them to realize net-zero energy consumption.
由于能源负载大大降低，一系列太阳能电池板将使它们能够实现纯零能耗。
And on two previous occasions it has reduced the level of tax rebates that exporters of energy-intensive goods can claim, in some cases down to zero.
它已经两次降低能源密集型产品出口商能够申请的减免税额度，在一些商品中已降为零。
You assume that all molecules have the same translational energy. You set that equal to zero.
假设分子的平动动能相同，设为零。
“Think of it as a bicycle for your legs,” he says. “A bicycle profoundly augments human locomotion in terms of human metabolic rate and speed, and yet it requires zero energy itself.”
“将你的大腿想象成自行车，”他说，“自行车通过人体代谢频率和速度显著地提高了人类的运动能力，尽管它本身无需任何能量。”
ZETA says that in the right climate, rooftop solar panels could provide the entire home's power - a so-called "net zero" energy home.
ZETA组织说在合适的天气，屋顶的太阳能版能提供整个房子所需的能量——一个所谓的\“零净”能源房。
And so the energy is zero because the electron is no longer bound. It is free.
所以这个系统能量为0，因为，电子不再受束缚了，它自由了。
With energy recovery, we actually get all the heat for the office space and finished areas from the datacenter, so we have zero heating costs.
通过能源恢复，实际上我们所有的办公场所和完工区域所需的热量全部是从数据中心获得的，因此，我们供暖可以说是0成本的。
Over the past 45 years or so, we've confirmed that this energy is peaked practically exactly at 2.725 Kelvins — just a slight bit above absolute zero — everywhere in the sky!
过去45年来，我们已经确认这种辐射无处不在，峰值实际上是2.725K——轻微高于绝对零度！
Whenever Q is less than zero, whenever you lose kinetic energy, the loss, in general, goes into heat.
当q小于0时，当你失去动能时，通常损失的转化为热量。
Remember that depending upon how you define your zero level here, you also end up with negative values for potential energy.
记住这个值取决于，你怎么定义0水平，你的得到的势能，也是负值。
Well, all we would have to do is 0 make the total energy of the Earth zero, so it can cruise all the way to infinity 0 and have zero speed when it gets there.
我们能做的就是,让地球的总功为，这样它就可以一直行驶下去,并且达到的时候速度为。
Well, all we would have to do is 0 make the total energy of the Earth zero, so it can cruise all the way to infinity 0 and have zero speed when it gets there.
我们能做的就是,让地球的总功为，这样它就可以一直行驶下去,并且达到的时候速度为。
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