模型理论

All test results consistent with the theoretical analysis. It is proved to be right of the analysis method and the results of this paper.

实验结果与理论计算结果吻合良好，说明了模型设计和节点构造的合理性以及计算理论和方法的正确性。

In this paper,using annuity theory and combining with State Department′s 'the decision of establishing consolidated corporation employee pension system ',the actuarial model of pension substitute rate with different contributing years to employees is derived

利用年金理论并结合1997年国务院《关于建立统一的企业职工基本养老保险制度的决定》文件，得到我国职工在不同缴费年限下基本养老保险替代率精算模型，并利用该模型对基本养老保险替代率进行模拟分析。

Presently, the theory and application of non-local model is one of the most active subjects of constitutive model.

原句是：目前，非局部模型的理论与应用是本构模型中研究的热点之一。

Based on the basic diffusion theory, the general model of the contaminant transport in the environment is presented.

然后从最基本的扩散理论入手，建立了污染物质在环境介质中传输的通用模型，再结合土壤这一特定的环境介质，对传输模型进一步深化，得出能准确地表达出污染物在各种土壤条件下的运移过程的数学方程，并给出了各种典型情况下的解析解。

Secondly, based on the research of the fabric"s contexture characteristic, the author puts forward using the convex shape as yarn"s section, builds the yarns dimensional geometry model and axes equation of warp and weft. Establishes the illumination model which is fit for fabric with illumination theory.

在研究织物组织模拟的基础上，提出以凸透镜形作为纱线截面，建立了相应的纱线空间几何模型和经、纬纱轴线方程；利用光照理论，结合织物的特点，建立了适用于织物的光照模型。

In this paper, with the framework of non-equilibrium thermodynamic separation theory, a mathematical model of nonlinear chromatography is established according to the actual chromatography processes based on the three basic theorems, Lagrangian-Eulerian description, continuity axiom and local equilibrium assumption.

本文在梁恒等建立的非平衡热力学分离理论的框架下，以Lagrangian-Eulerian描述、连续性公理和局域平衡假设三大基本法则为基础，建立了一种制备色谱理论模型。

Based on the non-isothermal transformation theory and non-steady state nucleation theory, a new method for calculating the continuous cooling transformation curve and the critical cooling rate of bulk metallic glass alloys is put forward in this paper.

在非等温转变理论以及非稳态形核理论基础上提出了计算大块非晶合金连续冷却转变曲线和临界冷却速率的新模型，以用于评估合金的非晶形成能力。

A theoretical model of this system, which combines convection and radiation, is established in this paper.

本文建立了这一对流辐射复合换热系统的理论模型；对不同情况进行了数值计算，并做了实验研究；分析了入口气流温度、风速、板数和板厚等因素的影响；从而确立了这一类问题的计算模型，精确地预测了实验结果。

In this paper, the principle and method of 3D visualization by geodesic coordinate system of ellipsoidal surface are proposed.A three-dimensional model for geographic information system visualization by ellipsoid-based digital terrain model is suggested for the first time.

虽然三维GIS在理论研究方面已经有了很大进展，但实现一个成熟完整的三维GIS系统还是相当困难的，目前在实际应用中与三维GIS相关的大多集中在三维可视化方面，如城市三维景观模型[1～ 3] 、矿区模型[4 ] 等。

Some key problems of line structured light sensor is given comprehensive studies theoretically and practically, which include the analysis of sensor's mathematic model; the improvement of the key parts of the sensor, the light source and imageforming system; the method of on-line measurement and the evaluate of BGA coplanarity. These studies are supported by corresponding satisfactory experiments. This dissertation covers the following aspects concerning the main work and creative research in the subject: 1. The operating theories and features of pattern measuring methods are systematically introduced.

本文成功地将线结构光传感器应用于BGA芯片管脚共面性的在线测试，并针对线结构光传感器测量的一些关键问题进行了深入细致的研究和探讨：建立了线结构光传感器的模型并对结构参数进行了详细的分析，针对传感器的关键环节—光源和成象系统的改进都提出了创新性的理论和方法，对管脚形状比较复杂的BGA芯片球栅阵列的在线测试方法和评定方法进行了理论研究和实验分析，并获得了满意的结果。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失