总的来说，一般认为暗物质占据了宇宙中73%的质量和能量。
Overall, dark energy is thought to contribute 73 percent of all the mass and energy in the universe.
针对每个控制容积建立了质量和能量平衡的微分方程。
Time dependent ordinary differential equations are obtained from the mass and energy balances for each control volume.
开系，顾名思义，允许质量和能量自由地，流过它的边界。
An open system, as the name describes, allows mass and energy to freely flow through the boundary.
这些物理系统的测试依赖于对作用力、质量和能量守恒定律的标准设计实践。
Design and testing of these physical systems rely on standard design practices that employ the laws of conservation of force, mass, and energy.
考虑了烟气质量和能量的动态特性及炉膛压力对反应速度的影响。
This model corrects the carbon reacting speed model and takes consideration of the affect of dynamic characteristics of quality add energy of gas and furnace pressure to reacting speed.
通过对测试结果的分析，全面了解本烧结机的质量和能量收支水平。
With analysis of measured data, income and expense of mass and energy in sintering machine have been acquired comprehensively, and energy utilization has been studied.
在表示质量和能量的互等性时，他在文章中特别加了一句话：互等性的说法不确切。
He especially added a word in the article when describing the mutual equal of mass and energy that the saying of mutual equal was not accurate.
刀片的形状选择及其几何参数的设计将直接影响到耕耘机的作业质量和能量消耗。
The Selection of blades type and the design of blade geometrical parameter will directly effect the working quality and energy consumption of cultivator.
意味着果汁浓度的提高加大了果汁中质量和能量传递的阻力，使冰晶生长速度变慢。
That meant juice concentration got higher, the resistance of quality and energy of juice were higher, the growth rate of ice crystal was lower.
该模型为体现其自然循环的特性，将下降段与上升段区分开，并假定两者之间不存在质量和能量的交换。
In order to research its natural circulation, the downcomer part and the riser part is distinguished, where there are no mass and energy transferred between them.
通过建立单颗粒焦碳的质量和能量平衡方程，计算求解出焦碳颗粒在稳定状态下的温度，分析了一些参数对细焦碳颗粒温度的影响。
The char particle temperature is calculated under the steady combustion condition by the mass and energy balance equation, the effect on the particle temperature by some parameters are analyzed.
这是真的，当物质和反物质相遇时，它们会在大爆炸相互湮灭，然后把它们的质量转换为能量。
It's true that when matter and antimatter meet, they do annihilate in a big explosion and convert their mass to energy.
当物质和反物质相遇时，它们就会自动湮灭，并在强大的爆炸中把它们的质量转换成能量。
When matter and antimatter meet, they annihilate, converting their mass into energy in a powerful explosion.
在这样的撞击过程中，它们的动能转换成额外的粒子(正如爱因斯坦所指出的那样，这是由于能量和质量只是同一个硬币的两面而已)。
During such a collision, their kinetic energy is converted into other particles (since, as Einstein showed, energy and mass are but two sides of the same coin).
从两束喷注的能量和动量可以推算出产生它们的粒子的质量。
From the energies and momenta of the two jets, researchers can infer the mass of the particle that produced them.
也就是说能量等于质量乘一个系数，能量和质量是可以相互转化的。
It means energy is a product of a mass and a coefficient, energy and mass can be converted to one another.
这种地震震源采用离心质量旋转地震能量，在每个震源点记录下顺时针转动和逆时针转动所产生的扫描信号。
The seismic source USES the rotation of centrifugal quality to produce seismic energy. The produced sweep signals are recorded by clockwise and counter clockwise rotation at each source point.
利用光束作为外部能量源可以减轻火箭自身携带的系统重量和质量，为科学研究扩大有效载荷空间，并提供更大的推力。
Using light as an external power source can alleviate the weight and mass of having an onboard system, leaving room for scientific payloads, for example, and it provides more propulsive power.
把这个国家所有的基础设施加起来，再想想两千七百万多大专生和大学生，就算所有这些脑子的质量成正态分布，也将是一股巨大的能量。
Now take all this infrastructure and mix it together with 27 million students in technical colleges and universities — the most in the world.
据报道，先进的控制可以提高产品质量，减少能量损耗，提高产品质量和过程的安全性，减少环境排放物。
It is reported that advanced control can improve product quality, reduce energy consumption, improve product quality and process safety, reduce environmental emissions.
利用声波的能量特征和波阻抗分析方法，对锚固质量进行初步分级；
According to the energy characteristics of acoustic wave, the bolt bonding integrity can be classified by the means of impedance analysis.
RAW代表了原始的能量和提供没有多余装饰的高质量食物的热情。
Raw represents raw energy and passion for serving up the raw elements of quality meals without the excess frills.
列出了描述蒸汽发生器模型的质量、能量守恒方程以及流量方程和传热方程。
The mass conservation equation, energy conservation equation, flow equation and heat transfer equation are described in this paper.
采用确定性模型法建立了热泵机组的模型，然后通过能量和质量守衡方程序建立了系统动态耦合模型。
The dynamic system model is coupled with geothermal heat exchanger model and heat pump unit model, which is based on the conservation of mass and energy.
基于质量、动量和能量守恒定律及井筒径向传热理论建立了流体压力、温度分布预测数学模型。
Based on mass, momentum, energy conservation and the theory of wellbore radius heat transmission, established fluid pressure and temperature distribution prediction mathematical models.
稳定的单泡声致发光的参数主要由振荡形状稳定性、质量扩散平衡、组分的化学平衡和高的能量集聚等条件确定。
The parameter space of a stable SBSL is mainly determined by stable shape oscillation, diffusive equilibrium of mass, chemical equilibrium of components, and high energy focusing in its interior.
通过动量、能量和质量衡算的方法可以建立其基本的计算式。
The basic calculation will be defined on the basis of dynamic momentum, energy and mass equilibrium accounting.
对喷嘴性能问题的了解与识别，对于减少水、化学物品和高昂能量浪费的费用，对于保证质量，极为重要。
Understanding of nozzle performance problems and how to identify them is essential in reducing costs of wasted water, chemicals, high energy Consumption, and quality assurance problems.
对喷嘴性能问题的了解与识别，对于减少水、化学物品和高昂能量浪费的费用，对于保证质量，极为重要。
Understanding of nozzle performance problems and how to identify them is essential in reducing costs of wasted water, chemicals, high energy Consumption, and quality assurance problems.
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