Invariance under translation in time leads to conservation of energy.

在时间平移下的不变性导致能量守恒。

If we do work on any body, the principle of conservation of energy tells us that the work done must all be accounted for in some way.

如果我们对某一物体做功，能量守恒的原理告诉我们：所做的功全都必须以某种方式来产生的。

Or, as Albert Einstein put it through the Law of Conservation of Energy, that any energy, when conditioned, can be transformed to a substance of another form.

这就是爱因斯坦能量守恒定律中所说的，这个能量，只要给它一定的条件，它就可以转变成任何一种物质形式。

I invented a breakthrough new source of energy which violates the law of conservation of energy.

我发明了一种突破性的新的能源来源，违反了能量守恒定律。

This sweeping generalization is the law of conservation of energy.

这一透彻的概括就是能量守恒定律。

This posed a conundrum for researchers working with the laser: How were they to apply the laws of conservation of charge and conservation of energy with two forms of energy output?

这就为研究激光的工作人员出了一个难题：如果能量输出有两种形式，他们怎样运用电荷守恒和能量守恒定律呢？

As the tsunami spreads out [to] more and more area, the conservation of energy means that it is spread out over more volume.

随着海啸扩散的面积越来越广，能量守恒意味着它推动的海水量也越来越多。

Based on principle of conservation of energy, the thermal field of concrete component can be gotten by the method of finite element.

混凝土构件温度场的计算可以根据能量守恒原理，采用有限元方法进行求解。

NOT ONLY HAS CONSERVATION of energy been empirically validated many times over, but scientists also have good theoretical reasons to believe it.

不仅仅是因为能量守恒被实验无数次地证实过，科学家信赖它也是有理论依据的。

On the other hand, were time symmetry to break down, conservation of energy would fail.

另一方面，如果时间对称性被破坏/不再成立，能量守恒就也随之不再成立。

From the principle of symmetry, law of conservation of energy is proved. And have a simple geometric express for time translation symmetry and conservation of energy.

从对称性原理出发，证明了能量守恒定律，并对时间平移对称性与能量守恒作了简单的几何表述。

The paper analyses and discusses these two phenomana with respect to the law of conservation of energy and momentum.

本文对与之相应的动量守恒问题和能量守恒问题进行了分析和讨论。

The heat pump is modeled based on the law of conservation of energy.

在热泵端，基于能量守恒定律等热力学方程建立了热量传递模型。

Other laws will be derived by the law of conservation of energy, or verified by the law of conservation of energy. In this paper four questions are discussed.

其他的定律，或者可由能量守恒定律导出，或者必须经受能量守恒定律的检验，或者是错误的。

Starting from principle of conservation of energy, a proportional model of sweep speed and laser power is set up by combining with the specific demand of LOM prototype manufacturing technology.

从能量守恒原理出发，结合L OM原型制造工艺的具体要求，建立扫描速度与激光功率之间的正比模型。

The large nuclear temperature evaluation would violate conservation of energy, and may lead a negative neutron KERMA factor.

这就可能使评价核温度太高而导致平均次级中子能量（?）过大，破坏了能量守恒，而导致了负KERMA因子。

Based on the laws of transformation and conservation of energy, we put forward a new analysis method for the heat instability of magma system.

同时，提出了一种基于能量守恒的、对热不稳定性进行分析的新方法。

Is conservation of energy one of those misguided ideas?

那么，“能量守恒”会是这类误导我们的观念之一吗？

Based on the law of conservation of energy, the actual crash pulse from a real vehicle crash test is simplified into a two-phase equivalent pulse.

基于能量守恒原理，将复杂的实车碰撞波形简化成参数化的两阶等效波形。

According to reciprocity and conservation of energy, a general formulation of wave transfer matrix is presented.

根据互易性原理和能量守恒定律，给出了结构弹性波传递矩阵的一般表达式。

We've done this before-- this is the conservation of energy, and in order to find the period of the simple harmonic oscillation, we take the time derivative.

以前算过-,这是能量守恒，为了算出,简谐振荡的周期，我们求时间导数。

Based on the law of conservation of energy and related theory, build up the respiration-evaporation models of fruits and vegetables.

根据能量守恒定律及相关理论，建立气调包装中果蔬产品的呼吸蒸发模型。

The principle of conservation of energy is mingled in every artist or technician with the search for happiness and death.

任何艺术家或是匠人对幸福和死亡的追求，都夹杂着能量守恒原则。

The various losses in a machine great as they are do not in any way contradict the law of conservation of energy.

机器中的各种损耗，尽管很大，但这与能量守恒定律丝毫也不矛盾。

We supposed a broadband and lossless 'Perfect Combiner' model according to the practicality requirements. Then we prove it according to the law of conservation of energy.

根据实际需求归纳了一种宽带的、无损耗的理想合路器模型，然后从能量守恒定律出发，证明了这种理想合路器是不可实现的。

Thus, the conservation of energy may be one of the most important constraints for oceanic general circulation models.

因此，能量守恒应当作为大洋环流模式的重要约束之一。

In the conservation of energy for electromagnetic system, the mechanical energy should include both the kinetic energy of the charged body and Joule heat.

电磁体系能量守恒定律中的“机械能量”应是带电体动能与焦耳热能之和。

When the motion tracks of two objects intersect, they may collide and have interference. Before and after their collision, they meet law of conservation of momentum and law of conservation of energy.

两个物体的运动轨迹相交时，将发生碰撞、干涉，在碰撞前后满足动量守恒和能量守恒定律。

It talks about the conservation of energy.

它讲的是能量的守恒。