We exploit the energy and momentum conservation laws in this way.
我们就是这样利用能量和动量守恒定律的。
Energy and momentum conserving integrators for Newtonian motion equations.
解牛顿运动方程的能量与动量守恒型积分方法。
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。
The relativistic mechanics in chapter 21 is circumscribed with primary emphasis on the concepts of energy and momentum.
第二十一章的相对论性力学主要限于强调能量和动量的概念。
Beautiful blue sky shining bright stars, bring a person courage, confidence and willpower, increase energy and momentum.
锦绣的深蓝色夜空中闪耀的璀璨群星，带给人勇气、决心信念和意志力，增加活力和冲劲。
Three kinds of methods of producing a gyrating electron-beam, and the reasons of bringing about energy and momentum spreads are presented.
文中简要讨论了三种产生回旋电子注的方法及引起能量和动量离散的原因。
Special attention is paid to the nice results obtained by the state_of_art Scienta analyzer with the extremely high energy and momentum resolution.
所引用的文献特别注意了从新一代高能量、动量分辨的能量分析器得到的系统、深入的工作。
The balance calculations were carried out of energy and momentum of reactant flows in an impingement mixing unit used for reaction injection molding.
对反应注射成型机所采用的碰撞混合器进行分析，并就其进料喷嘴及混合室中的物料流动进行了能量及动量衡算。
The special characteristics of kinetic energy and momentum of horizontal rotary cavity flow in internal dissipating tunnel with an inlet shaft are analyzed.
研究了水平旋转内消能泄水道空腔环流特有的能动量特性。
The physical processes described above may be useful in understanding the anomalous transport phenomena of energy and momentum from the magnetosheath to the magnetosphere.
上述物理过程可能对解释磁鞘至磁层的能量及动量异常输运现象有所帮助。
The additional source term method is utilized to discretize both energy and momentum boundary conditions and the discretized governing equations in body-fitted coordinates are established.
建立了适体坐标系下的离散化控制方程组，采用附加源项法对控制方程组的能量和动量边界条件进行了离散。
The thin film is divided three regions:The governing equations of mass, energy and momentum conservations were established based on the simplification and reasonable assumptions on the PHP system.
将液膜轮廓分为平衡液膜区、过渡液膜区和宏观液膜区并在合理的简化和假设的基础上建立了汽-液塞的质量、动量、能量方程。
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。
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。
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。
A two-dimensional mathematical model has been developed to predict the transport of mass, momentum and energy in a cylindrical combustion chamber.
本文提出了预测圆筒型加热炉燃烧室内质量、动量及能量传递的二维数学模型。
Further topics include kinematics, particle dynamics, motion relative to accelerated reference frames, work and energy, impulse and momentum, systems of particles and rigid body dynamics.
更进一步探讨运动学，质点动力学，于加速座标系上之运动行为，功，能量，冲量，动量和质点系统与刚体动力学。
I always like that because it applies a lot of energy and a lot of momentum. And that's exactly what it takes to get anything done.
我一直都喜欢这个比喻，因为龙卷风动用了大量的能量和大量的动力，而这恰恰就是完成任何事情所需要的。
Angular momentum for particles, separation of center-of-mass and relative coordinates, effective energy diagram.
微粒的角动量，质心分离以及相对坐标系，有效能量图。
This paper reports a derivation of distribution by applying maximum entropy principle and conservation laws of mass, momentum and energy to atomization process.
论述了应用最大熵原理及质量、动量和能量守恒定律到喷雾过程中，导出了液滴尺寸和速度分布规律。
The physical properties, as expressed in momentum and force, and energy and work, of turbulent flow are explained in detail.
关于不可压缩紊流的物理性质在动量和力及能量和功方面加以详细的解释。
Distribution of flow volume for unsteady mass flow in the straight pipe was analyzed and modeled by means of momentum balance and energy balance.
通过动量衡算及能量衡算方法分析并计算了直管内变质量流体流动的流量分配。
Provided that the phase propagates downward, the wave transports energy and westerly momentum upward.
在波动位相下传的情况下，波动向上输送能量和西风角动量。
A multi-phase field model coupled with mass, momentum, energy and solute conservation equation was introduced to apply for macro simulation.
宏观部分着重介绍了一种耦合质量、动量、能量及溶质平衡方程的多相模型。
Three sorts of different methods for calculating the turbulent energy and the turbulent fluxes of heat and momentum are introduced.
根据这些风、温高频测量值，用几种不同的计算方法计算了湍流能量和动量、热量通量。
Three sorts of different methods for calculating the turbulent energy and the turbulent fluxes of heat and momentum are introduced.
根据这些风、温高频测量值，用几种不同的计算方法计算了湍流能量和动量、热量通量。
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