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In the section of physical models, the paper presents a three-dimensional model called nine-equational model that treats the object as two phases and two components. The nine-equational model includesκ－εturbulence model and diffusibility model owing to the gradient of mass concentration.

在物理模型部分，本文对钢安全壳内部大空间提出了三维、两相、两组份、对气相引入κ－ε湍流计算模型和考虑由于气体浓度差引起的扩散效应的九方程模型。

This paper presents the design and realization of a general purpose wideband four channel digital receiverboard based on PMC standard.

介绍了一种通用宽带四通道数字接收机PMC背板的设计与实现。

This paper presents a new simulation method for power electronic circuits through the uses of a digital computer.

提出了用数字计算机对电力电子电路进行仿真的一种新的方法。

ABSTRACT The dissertation presents a scheme of full digital AC driver system based on digital signal processor .

本文研究了基于数字信号处理器DSP的全数字交流伺服系统的设计方法。

This paper presents the research and design of 25Hz AC counting code signalling digital filter.

介绍25Hz 交流计数电码信号数字滤波器的研究设计。

This paper presents a digitized DC motor position servo control system based on DSP.

提出一种基于数字信号处理器的全数字直流位置伺服控制系统。

This paper presents the three dimensional stress analysis method of slabs on elastic foundation.

本文提出了弹性地基上板的三维应力分析方法。

The differential equation of unsteady infiltration of anomalous pressure has been established, and presents its dimensionless fashion.

建立起异常高压气藏的不稳定渗流微分方程，并给出其无因次形式。

Is widely distributed from coastal Asia to India at least and presents sexual dimorphism in the openings of the mucous pouches.

台湾的此种小孔蛸广泛分布在亚洲大陆沿岸到印度海域，并且在黏液孔有性双型的情形。

Taking the old road modification of Dingdong Road in Lingxian Shandong province as an example , this paper presents the characteristics of cold recycling technology utilizing cement as external additive and the promotion prospect of Degong road cold recycling machine .

以山东省陵县丁东路旧路改造为例，介绍了以水泥为外加剂的沥青面层冷再生技术的原理特点以及德工WB525型国产路面冷再生机的推广前景。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。