查询词典 theory model

Calculations by using in -house model, field model experiment, and various models prove the correctness of this theory.

室内和野外模型实验以及不同模型的正演计算，证明了极化理论的正确性。

Papers analyzed the management flexibility and value of mining engineering, and set up the model of value of a developed mine,value of an undeveloped mine and value of an exploration project under the conditions of uncertainty with the theory of real option,and worked out the solution of model above-mentioned through three numerical methods,i.e.the Fig Tree,finite difference approximation and Monte Carlo simulation.

论文最后研究了矿业工程中的管理灵活性及其价值，运用实物期权方法分别建立了不确定条件下矿业生产阶段、开发阶段和详查、普查、预查阶段的矿业投资评价模型，并运用二叉树图、有限差分逼近和Monte Carlo模拟三种数值方法对所建模型进行了求解，同时通过实例对论文的研究结果进行了佐证。

The mathematics model of three-dimension temperature field of the machine tool spindle system is created, and based on elastic mechanics, basic equation of heat deformation and finite element theory, the mathematics model of heat deformation is built.

建立了机床主轴系统三维温度场数学模型，并基于弹性力学、热变形基本方程和有限元理论建立了热变形的数学模型。

Man-in-the-loop simulation is a promising branch of simulation field. This paper presented the theory on man-machine engineering, and established the model of the firer of antitank missile. Then a test software was introduced to identify the characteristic parameters of human. Finally, we performed digital simulation on the missile system including the firer model and used the TIC unequal coefficient method and gray relating method to analysis the simulation results.

摘 要：该文介绍了人机工程中关于对人体建模的理论基础，并在此基础上建立了反坦克导弹射手模型；为确定人的典型特性参数，编制了一套小型测试软件，利用这套软件可以初步辨识出被测人员的特性参数；最后对含有射手的导弹武器系统进行了数字仿真，并用TIC不等式法及灰色关联分析法对仿真结果进行了精度分析。

First, a mathematic model for laser diode with a cool is established, which is looked as a first order segment of inertia in theory. It analyzes the step response in the S field and the time field separately after adopting PID control technique, and it also analyzes the equivalent noise model of the amplifying circuit.

首先从理论上对带制冷的半导体激光器组件建立了数学模型，将其看作一阶惯性环节，分别在S域和时域里详细分析了采用PID控制技术后的阶跃响应；同时也对光接收机放大电路等效噪声模型进行分析。

Based on the Percolation theory and the Voronoi model, the pore size distribution is with normal distribution. Considering the flection of the pore, the variability of the pore size and the diffusion of the reactive gas, the comprehensive desulfurization model between CaO and SO〓 is established by adopting the elemental sphere disposal method.

根据由逾渗理论结合Voronoi模型得出的CaO孔径分布符合正态分布的结论，采用微元球壳的处理方法，考虑孔隙长度的曲折性和反应过程中孔径的变化过程和反应气体的扩散过程，建立了CaO颗粒与SO〓气体之间的综合脱硫反应模型。

Based on the solution theory, the molecular congregation and van der waals model, the interaction among refrigerant molecules has been studied and a fugacity model has been proposed for mixed gas hydrates.

本文运用分子聚集理论和溶液理论，结合van der Waals模型，通过考虑制冷剂气体分子间的相互作用力，建立了制冷剂混合气体水合物逸度计算模型。

D. Methods In this dissertation, I adopt many research methods. a. Combine criterion analysis with demonstration analysis The demonstration analysis is the base of criterion analysis. In the research on regulation policy, value judgment is indispensable. So, I combine criterion analysis with demonstration analysis in this dissertation. b. Combine theoretic model with experience research Game theory can combine the theoretic model with experience study very well.

静态分析与动态分析相结合不同国家的对比需要进行横断面的静态对比，而竞争发展与产业组织的演进则是动态的，需要二者结合起来，但还是要以动态分析法为主，因为产业组织理论发展至今，为了与现实情况更接近，对多人、多期、双向动态决策的动态分析已成为产业组织理论的主流。

Based on the "Structural Holes" theory and the concept of "Bridge",combined with the characteristics of the sharing, divide the "Bridge" into five types. Discuss the role of the five types in sharing; Based on the results of the UCINET analysis, express the coordination role of coordinator, and give a optimization way of the inside network; Divide the broker into two types, and make a description of the two types' function in details; Integrate the discussion of gate keeper and representative, and descript the different function of them on the same system; Descript the function of the Simmel model,and illustrate the bad effect of the model and give measures to avoid that.

在简述"结构洞"理论和"桥"的概念的基础上，结合科技资源共享的特点，把"桥"划分为5种类型；对不同类型"桥"在共享中的作用进行论述；基于UCINET分析结果说明协调者的协调作用，并提出内部人际网络优化方法；对中介者进行再次分类，并详述两种模式在科技资源共享中的功能实现；将守门人与发言人综合论述，描述在同一个体系下实现两者不同作用；对齐美尔连带的作用进行论述，对其可能产生的负面影响进行说明并给出相应的避免措施。

The equation and the mathematical model are acquired just after studying of the theory of gearing, and the mathematical model also result from the actual manufacturing method. Then, the paper accomplish the accurately 3D-modeling of the four generally used types of gears: cylindrical spur gean cylindrical helical gean straight bevel gear and curved-tooth bevel gear.

利用具有强大三维造型功能的工程软件实现了四种常见齿轮：圆柱直齿轮、圆柱斜齿轮、直齿锥齿轮和弧齿锥齿轮的三维造型，解决了齿轮的精确三维建模难题。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。