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1·Based on the mass conservation law, the energy conservation law and some empirical equations, the dynamic model is built.

根据基本的质量守恒定律、能量守恒定律以及一些经验公式等建立了系统的动态数学模型。

2·It constructs a mathematic model to describe gas transient flow according to the mass, momentum and energy conservation law.

根据气体瞬变流动过程中所遵循的质量、动量和能量守恒定律建立描述气体瞬变流动的数学模型。

3·By techniques of grid plot, grid corresponding and energy conservation law, finished the simulation and the evaluation on effect of tank cleaning.

第三章对洗舱效果进行评估，结合射流结构参数分析，利用有限单元理论和网格划分技术以及能量守恒定律，得出合理的评估结果。

4·The aperture field distribution of the ring focus antenna is reviewed in view of the energy conservation law, and the simple formula for calculating its radiation pattern is deduced.

该文从能量守恒观点出发，讨论了副面为椭圆的环焦天线的口径场分布，并导出了计算其方向图的简单表达式。

5·Recent trends in the Lagrange equation's conversion and form from inertial system to non-inertial system, the application of energy theorem, energy conservation law, etc. are introduced.

介绍了在非惯性系中建立动力学方程的方法，惯性系中拉格朗日方程在非惯性系中的转换形式，以及非惯性系中的能量定理和能量守恒定律的应用等研究成果。

6·The revised energy conservation law for the first time that the unit will actively encourage the use of energy-saving voluntary agreements of this new type of energy management practices.

修订后的《节约能源法》第一次提到了鼓励用能单位积极使用节能自愿协议这一新型的能源管理办法。

7·So when an experiment seems to violate the law of energy conservation, we are rightfully suspicious.

因此呢，当(我们做的)实验违背了能量守恒定律的时候，我们有充分的理由来质疑它。

8·All these various losses great as they are do not in any way contradict the law of conservation of energy.

所有这些各种各样的损耗，尽管它们数量很大，却一点也不违反能量守恒定律。

9·Then, find out the design rules with the conservation law of energy.

然后应用能量守恒定律去求得螺杆泵转子的设计规律。

10·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。