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SPNAnalyzer software system has a very friendly man-machine interaction interface, so the visualized modeling of stochastic Petri net is very intuitional and convenient. The response and handling of the Windows messages is extended to the graph tool module, so it is very easy to maintain. The class design of the element object module and the graph tool module guarantees the expansibility of the system. The crucial technologies including the reachability set algorithm of the stochastic Petri net model, the constitution of the homogeneous Markov chain, and the computation of the steady state probability are implemented. The design of the data structure adopts the linked list, so the execution of the algorithms is very efficient.

SPNAnalyzer软件系统具有非常友好的人机交互界面，使可视化的随机Petri网建模变得非常直观方便；将各种Windows消息的响应和处理延伸至图形工具模块，使系统的维护变得容易；元素对象模块和图形工具模块的类的设计使系统的可扩展性很好；实现了随机Petri网模型的可达集生成算法和同构马尔可夫链的构造及其稳定状态概率的求解等关键技术；数据结构的设计采用链表的形式，使各种算法都具有较高的执行效率。

The established model for isehemia was set for 3 grades correspondingly according to the ratio of hydropic degenerating and necrotic hepatocytes (by a biopsy after isehemia-reperfusion).

Wistar大鼠30只随机分为A、B、C3组，制备大鼠PBLT缺血再灌注损伤模型，A组为缺血30 min组，B组为缺血60 min组，C组为缺血120 min组。

In this paper, we use Extended Cabor Function of simple cells as the basic functional units to have successfully set up a mathematical model of neural network, with the properties of overlap-formed receptive fields and of comparative operation, explaining hyperacuity.

本文用简单细胞广义Gabor函数为基本功能单元，以Marr提出的计算理论为框架，建立了一个感受野重叠的，具有比较运算性质的、可解释超视锐度现象的神经网络数学模型。

Objective:To set up severe head injury treated with mild hypothermia model.

目的：建立更符合临床的亚低温治疗重型颅脑损伤的动物模型。

On the basis of gas migration equation -Darcy Law,coal seam gas content equation -parabola equation ,ideal gas state equation and the continuity equation s of the gas flow,a dynamic model of gas unilateral flow in the coal seam is set .

根据基本假设，对煤层瓦斯流动规律进行了研究，运用瓦斯运动方程—达西定律、煤层瓦斯含量方程—抛物线方程、理想气体状态方程以及气体流动的连续性方程，建立了煤层单向瓦斯流动的动力学模型，并根据边界条件和初始条件，对动力学模型进行了求解，推导出煤壁单位面积的瓦斯涌出量的计算公式，分析了瓦斯涌出量的影响因素，利用测得的数据，进行了实例计算，并用vc编制了计算机程序。

The ideal gas model is set up on the basis of the following presumptions

理想气体的模型是建立在下列假定之上的

The mathematical model of relationship between the temperature of object and gray grade of image is set up.

通过大量实验结果，建立了目标温度与图像灰度之间关系的数学模型，能够对目标温度进行快速、高精度的测量。

Due to the uncertainty or imprecision in user model, we can introduce the theory of rough set to user modeling.

本文在对人机交互中用户建模方法深入研究的基础上，作了如下工作： 1。

When the standard model of ultrasonic launders is inapplicability under a certain working condition, we can choose not only book the especial models but also can adopt to use devotion style ultrasonic shaking board set.

当标准型号的超声波清洗机不适用于特定工作环境时，除了可以订造特殊规格外，也可采用投入式震板装置。

Second, according to property incentive theory and expectancy incentive theory,this thesis set up the model of compensation incentive for technologic staff.

第二，本文以产权激励理论和期望激励理论为依据，建立了科技人员薪酬激励模型。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。