查询词典 theory model

After that, the model is validated safety and reliable by using the State Matrix Equation of the Petri network. According to the theory that the State Topological Map of Petri Network and Markov chain are isomorphous, the Markov chain of the model is deduced, by which some function indexes such as marked density of probability, average token-number, and usage of transformation can be calculated.

同时，本文运用Petri网系统的状态矩阵方程的方法对模型进行了可达性验证，经验证该模型是安全可达的，并根据随机Petri网的状态图同构马尔可夫链的原理，获得该模型的马尔可夫链，运用该MC链分析了模型的标记概率密度、位置中的平均标记数以及变迁的利用率等性能指标。

According to the Similarity Theory, plaster model is applied to model rockmasses materials with isotropy.

试验依据相似理论，用石膏模型模拟各向同性的岩体材料。

The simulation results by applying zero-equation model are compared with those by adopting Prandtl mixing length theory and K-ε two equation model.

研究表明，总体来说Prandtl的混合长度理论能够获得比Chen的零方程模型更好的结果；从这两种零方程模型的构造分析，Prandtl混合长度理论较为合理，但Chen的零方程模型更容易收敛。

The gas phase was described by a standard k-ε turbulence model and the solid phase was described by the kinetic theory and kp turbulence model.

其中，气相湍流行为以k-ε模型描述；颗粒相的碰撞行为以颗粒流的动力学模型表达；而湍流行为以kp模型描述。

This thesis try to discuss what kind of knowledge-diffusion model and knowledge-integration model would easily success in different innovation type from knowledge-based theory. The research methodology is case study of quality method and research target is knowledge intensive industry. The research has interviewed eight managers and concluded four case. Finally, we have some conclusion below

本研究尝试从知识基础论的角度出发来探讨在不同的创新类型之间，应采用何种的知识流通模式与知识整合机制较容易成功，研究方法采用质性研究之个案访谈法，研究对象为知识密集产业，总共访谈了八位高阶主管，并将之整理成四个个案，经由分析归纳后得到以下几点结论。

In combination with the crushed rock slope as an example, the allocation of an anchorage force on longitudinal beams and transverse beams is calculated by adopting the distribution coefficient law of the nodal form at first. Then the internal forces of the lattice beam are calculated respectively through the software on the basis of Winkler elastic foundation model and the semi-infinite foundation model, and then compared with the internal forces which are based on simplified foundation pressure calculation. The active pressure of rock is calculated approximately by Ranking soil pressure theory in the working stage. Sequentially, the reinforcing bars are disposed by two-stage's averagely calculated values.

以破碎岩质边坡为例，采用节点荷载分配法计算了锚索锚固力在格构梁纵、横梁之间的分配比率，然后基于Winkler弹性地基模型和弹性半空间地基模型分别计算格构梁在张拉阶段的内力，并与采用简化的地基反力计算值对比；采用朗肯土压力理论近似计算在工作阶段主动岩体压力，将地梁视为在线性分布力作用下倒置于坡面上的连续梁，按力矩分配法计算地梁内力，取两阶段计算平均值进行配筋。

The simulation result shows the collection efficiency of TIR lens model is 67% when the angle of light is confined within 15°. And the uniformity on observation screen is improved in some degree. The optimal design of TIR lens further provides the development space of LED micro-projection display system.4 On the base of the theory research and the model simulation, four projection display systems which have LCOS as micro-display panel and which combine different optical devise for UHP and LED light source respectively are proposed in this dissertation. And the quality of projection display system is evaluated by thesimulation outcome.

模拟结果表明，优化后的TIR透镜可实现将LED大角度扩展光束中67％的光能压缩到15°范围以内，并使目标屏的照明均匀性得到一定的改善，这为LED光源微投影显示系统设计提供了新的发展空间。4在以上理论研究和模拟分析的基础上，将优化和改造得到的照明光学元件应用到微投影显示的照明系统设计中，分别采用UHP和LED光源，设计了四套单片式LCOS微投影显示系统模型，通过光线追迹模拟结果，对系统性能进行了评价分析和对比。

Basic theory of geometric active contour model is studied. With the virtue that can change the topology freely, geometric active contour model can be used for medical image processing based on curve evolvement and level set method.

根据Mumford-Shah模型利用图像的全局信息、不受图像梯度影响的特点并针对脑肿瘤分割的难点，将Mumford-Shah模型应用于脑肿瘤轮廓的提取，先采用非线性滤波消除噪声的影响，通过优化该模型的能量函数，可以获得受噪声影响的图像的边界。

In this paper, a new quality cost model is designed on the basis of the analysis of the traditional quality cost model and in the light of the learning curve effect, with a view to proving the irrationality of the statement of "the best quality level" in the traditional theory.

本文通过分析传统质量成本模型，结合学习曲线效应，建立一个新的质量成本模型，以此来解释传统理论最佳质量水平的不合理性。

In this paper,a new quality cost model is designed on the basis of the analysis of the traditional quality cost model and in the light of the learning curve effect,with a view to proving the irrationality of the statement of "the best quality level" in the traditional theory.

传统质量成本理论有其局限性，不能完全解释现今质量成本发展的趋势和追求的目标。本文通过分析传统质量成本模型，结合学习曲线效应，建立一个新的质量成本模型，以此来解释传统理论最佳质量水平的不合理性。并通过该模型进一步解释生产过程质量水平不断提高，质量成本下降的现象

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。