模型理论

This model eliminates the computational error of the inertia force obtained by static equivalent principle in conventional two-mass model, and can obtain dynamic characteristic data effectively and accurately.

为降低多缸发动机曲柄连杆机构的振动，根据多刚体动力学理论，建立了参数化的曲柄连杆机构动态仿真模型，克服了传统的双质量模型中采用惯性力静力等效法的误差。

In the realm of sequential computing Von Neumann machine has successfully provided an unifying and universal model of computation.

并行计算模型为并行算法和并行计算机系统结构的分析与设计提供了具有指导意义的理论界面和模型框架，它是并行计算研究的重要领域。

After a simple retrospect of the development and application of the heat pipe, the working elements and the history and the actual state of the investigation inside the thermosyphon, a numerical model based on the previous experimental and theoretical studies is developed to simulate and analyze the process of the flowage and heat transfer in the condensator of the two-phase closed thermosyphon.

本文首先简单回顾了热管的发展及应用情况，介绍了热虹吸管的工作机理及其内部凝结换热的研究历史和发展现状，然后在前人实验和理论研究的基础上提出了本文的研究方向，建立了一个数学模型，对两相闭式热虹吸管冷凝段的流动和传热过程进行了数值模拟和理论分析。

Based on the similarity theory, the similarity conditions of the concrete oil storage tank temperature stress model experiment are derived, and the similarity constants are determined.

文章根据相似理论，推导出混凝土储油罐温度应力模型试验的相似条件，并确定了试验相似常数，进而提出储油罐模型温度荷载加载方式，最后通过数值仿真分析手段进行了验证。

Using the formula of the material's conductibility, it is proved that there rxists the optimum content of Sb in ATO.

从材料的电导率公式出发，定性分析了二氧化锡中掺杂锑的含量存在理论最佳值，根据已有模型计算证明了锑掺杂二氧化锡电导率存在理论上限。

Based on Gender Schema Theory and Self-concept Congruity Model, and theories of brand extension, this paper analyzes the thesis systematically.

本文以性别图式理论为基础，结合自我概念一致性模型，并借鉴品牌延伸的相关理论，围绕该问题进行了系统的分析。

According to theory of the conjugate curves and the envelope curve,the corresponding mathematic model of workpiece-tooth-curve was established.

并根据共轭曲线及包络线理论建立对应工件齿廓曲线的数模型，由二者的数学模型建立完全接触面积的算法。

Based on analyzing the mechanism of heat and water transfer in unsaturated soil, and the conservation principles of mass and energy, the theoretical model of heat and water migration in unsaturated soil was established.

理论上，通过对土壤内热和水分迁移机理分析，根据质量守恒和能量守恒原理，建立了土壤非饱和区热和水分迁移的理论模型。

According to the principle of mass conservation, the dynamic model of SCF-CO_2 is set up on differential extraction base on determining the extracted conditions.

在确定了最佳工艺条件的基础上，根据质量守恒原理，建立了基于微分床萃取的超临界流体萃取动力学模型，从理论上分析了超临界流体萃取过程中各因素对提取率的影响情况，并对模型中的主要参数进行了讨论。

Darwin is just the most successful example in this field,which invoked this method to support his evolution theory by natural selection.In Origin of Species,he cites a large array of facts on the basis of explanatory power and consilience,which are explained by the theory of evolution but are inexplicable by creation.It accords with criterions of inference to the best ...

达尔文运用最佳解释推理论证通过自然选择而进化的理论最为成功，在《物种起源》中，达尔文以解释力、解释的一致性为基础，引用大量事实，充分比较了自然选择理论与上帝的独立创造说或神创论，符合最佳解释推理模型的评价标准。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。