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This paper proposes the design plan of virtual reality demo model based on AutoCAD and VRML,analyses the modeling scheme and developing the course of the model,finishes the instance of design of the decelerator demon-stration model.

提出了基于autocad和vrml的虚拟现实演示模型的设计方案，对演示模型的建模方案和开发过程进行了分析，完成了设计实例——减速器演示模型的设计。

METHODS: Total 60 male Wistar rats were randomly divided into 6 groups, i.e., normal control group , DMN model group , large dose treatment group , middle dose treatment group, small dose treatment group and Dongbao gantai treatment group. The liver fibrotic model was induced by i.p. dimethylnitrosamine for 4wk. The relative herbs were given after model establishment in each treatment group and the administration lasted for 6 weeks. Decollate to get the blood and The serum hepatofibrosis indexes, hyaluronic acid, collagen IV, pro-collagen type III and laminin were measuredwith radioimmunoassay. SOD and MDA were measured with biochemistry method. The liver pathological changes were observed in each group of rats.

将60只雄性Wistar大鼠随即机分正常对照组、模型对照组、实验大剂量组(20ml/kg/d)、实验中剂量组(10ml/kg/d)、实验小剂量组(5ml/kg/d)及东宝肝泰药物对照组；腹腔注射二甲基亚硝胺制备大鼠肝纤维化模型，连续灌胃6周，断头取血，生化检测血清SOD、MDA；放射免疫法测定血清HA、LN、PCIII及IV-C；取肝左叶做HE染色和Mallory胶原染色，观察肝病理组织学改变。

The most frequent alternative conceptions among the students are the misunderstood deducible model, the reduction model, and the mistaken cognitive model.

学生最常发生的另有概念类型，是推理不当模式、化约模式及认知错误模式。

This model deducts the influence of assets depreciation reserve on earnings in measuring total accrual. With the foundation of modified Jones model, the improved extended Jones model takes the influence of intangible assets on measurement of earnings management into account.

这一模型主要是在计量总应计利润时，扣除了资产减值准备对盈余的影响，并在修正Jones模型的基础上，考虑无形资产对计量盈余管理的影响。

The model deducts the influence of assets depreciation reserve to earnings in measuring total accural. Basedon modified Jones model, the improved extended Jones model influences intangible assets.

这一模型主要是在计量总应计利润时扣除了资产减值准备对盈余的影响，并在修正琼斯模型的基础上，考虑了无形资产对计量盈余管理的影响。

By transforming the delayed neural model to the describer model and then employing the Lyapunov-Krasovskii stability theorem, linear matrix inequality LMI technique, S procedure, and some algebraic inequality method, a new sufficient condition is derived, which is determined by the coefficients of the model and includes more tuning parameters for determining the globally asymptotical stability of recurrent neural networks with time-varying delay.

首先将要研究的模型转化为描述系统模型，然后利用Lyapunov-Krasovskii稳定性定理、线性矩阵不等式技术、S过程和代数不等式方法，得到了确保时变时滞递归神经网络渐近稳定性的新的充分条件，并将它应用于常时滞神经网络和时滞细胞神经网络模型，分别得到了相应的全局渐近稳定性条件。

Many investigations show that randomicity of structures?parameter will bring large value of stochastic dynamic response of structures. Randomicity of structures?mechanics parameter may be dominant factors. Therefore, introduction of randomicity into system model of structure and using random system model are more reasonable than that of determinate system model. The work in this dissertation mainly consists of two parts.

众多的研究工作表明，结构参数的随机变异性可以引起结构随机动力响应的大幅度涨落，结构力学参数的随机性还可能成为主导因素，在结构系统模型中引入随机性的概念，采用随机结构系统模型是较确定性结构系统模型更为合理的一种选择。

Many investigations show that randomicity of structures'parameter will bring large value of stochastic dynamic response of structures. Randomicity of structures'mechanics parameter may be dominant factors. Therefore, introduction of randomicity into system model of structure and using random system model are more reasonable than that of determinate system model.

众多的研究工作表明，结构参数的随机变异性可以引起结构随机动力响应的大幅度涨落，结构力学参数的随机性还可能成为主导因素，在结构系统模型中引入随机性的概念，采用随机结构系统模型是较确定性结构系统模型更为合理的一种选择。

Then, the relations among the robust optimization model, stochastic optimization model, and deterministic optimization model are analyzed and two algorithms, enumeration method and genetic algorithm are presented.

分析了鲁棒优化模型与确定性优化模型、随机优化模型的关系，并在此基础上给出了求解鲁棒优化模型的两种方法——枚举法和遗传算法。

First, the model is set up based on the traditional method of defuzzifying. Then a fuzzy nonlinear pragramming inventory model with fuzzy constraints is established by considering the fuzzy demand as fuzzy constraints. According to the principle of maximal membership grade, the model is transformed into a deterministic nonlinear programming to find out the optimal solutions.

文章首先建立了基于传统逆模糊化方法的库存模型；然后，通过把模糊需求看成模糊约束条件，建立了一个带有模糊约束的模糊非线性规划模型，进而根据最大隶属原则，将模型转化为确定型非线性规划问题，寻求最优解。

Salt is good, but if the salt becomes flat and tasteless, with what do you season it?

14：33 盐本是好的，盐若失了味，可用什么叫它再咸呢？

He reiterated that the PLA is an army of the people under the leadership of the Communist Party of China.

他重申，人民解放军是在中国共产党领导下的人民军队。