二维的

Then the spatial localization of the main well-known visual neuron's receptive field models such as DOG function, LOG function, higher order derivatives of Gaussian functions and 1—D, 2—D Gabot function models is quantitatively analysed.

如对通常被作为建立模型的主要根据的&最优的空间定域性&判据的物理意义和适用性也没有得到深入的论证，而且已有的主要几类感受野模型，如DOG函数、LOG函数、高斯函数的高阶导数和一维、二维Gabor函数等模型在空间分布形态上难以准确反映系统中神经元感受野的形态和信息处理机制等等。

A comprehensive review and expectation about researching status in quo and development trends of viscous flow numerical simulation technique are given in this paper and grids generation methods, numerical computation methods, turbulent model and moving boundary simulation methods are the emphasis study in the paper. On the basic of above job a mathematical model of simulation turbulent flow with free surface is established and triumphantly applied to numerical computation on 2D spillway and 3D spillway with frusta of brake.

本文针对粘流场数值模拟技术的研究现状和发展动态作了比较全面的回顾与展望，重点研究了网格生成技术、数值求解技术、湍流模型技术和动边界模拟技术，在此基础上建立了模拟自由面湍流场的数学模型，并成功地应用到二维溢流坝和带闸墩的三维溢流坝过坝水流的数值计算。

Makes these projects at the same time, I have completed my master the paper:"regarding Tinsel Components' Expansion As well as Optimized Layout's Research And Application", its subject lies in proposed that one kind transforms from the three dimensional design model as the two-dimensional pattern new method, as well as for flow plan and production layout chart.

做这些项目的同时，我完成了我的硕士论文：《对于金属片零件的展开以及最优化布局的研究和应用》，其主题在于提出一种从三维设计模型转化为二维模式的新方法，以及为流程规划和生产生成布局图。

The plane-parallel resonant cavity is built up in theory with the U-shaped bending waveguide for TM mode. The beam splitting and convergence effect are also discussed for the structure composed of filling-factor graded wave-like 2D-PC and one-dimensional multilayer thin films.

利用TM模的U型转弯波导构建了新型的平行平面谐振腔，并指出由填充率渐变型波状结构二维光子晶体和一维多层薄膜构成的混合结构在光分束和抑制光束发散方面的作用及其在平行平面谐振腔中的潜在应用。

The main task of the designing is to use CAD to work out a two-dimensional figure on the base of a thorough comprehension of the three softwares, and to use 3Ds max to transfer the plane picture and form a three-dimensional model, completing the drawing of a tridimensional model involving quality and light. Then use Photoshop to do some modify for the picture.

设计的主要任务是在熟悉三种软件的基础上，利用利用CAD绘制居室及家具的二维平面图；使用3DS max导入平面图进行三维建模，完成立体效果图的绘制，包括材质、灯光渲染的制作；最后用Photoshop对效果图进行修饰加工。

Turok is hopeful that string theory and a related development known as the " holographic principle ", which shows that a singularity in three dimensions can be translated into a mathematically more manageable entity in two dimensions (which may imply that the third dimension and gravity itself are illusory).

弦理论及其相关的用三维方式描述宇宙奇点的全息图原理的进展，使塔洛克抱有希望，使他能将这些理论转化成数学上较易处理的二维实体（这可能意味着第三维和重力本身是虚幻的）。

The relations between the potential difference and the discharging time when the discharge current is a step function as well as a step function containing high frequency vibrations, the relations between one-dimensional and two-dimensional spark locations and potential difference based on the thin wall model and the thick wall model have been studied.

仿真研究了放电电流为阶跃函数以及含高频振荡时电位差与放电时间的关系；基于薄壁模型和厚壁模型，仿真研究了电极下表面一维放电点位置和二维放电点位置与电位差的关系；对于确定的电位差，仿真研究了放电点位置的分布情况，说明两点输入不能唯一地检测出放电点位置，从而引入四点输入检测的思想。

In this paper, the roles of variable γ and R in Arrhenius law applications are reconsidered, and their effects on the chemical reaction rate are demonstrated by simulating one-dimensional C-J and two-dimensional cellular detonations.

本文研究了变化的比热比和气体常数对Arrhenius 定律应用的影响，并通过对一维C-J爆轰波的热力学特性和二维非定常爆轰波的胞格的数值研究证实了该影响的存在性和重要性。

Finally, some examples of two-dimensional and three-dimensional bodies are given, at the same time the Richardson's extrapolations of these numerical results are calculated.

最后，给出了一些二维，三维的任意导体的数值结果，并且给出了这些数值结果的Richardson外推值，计算结果与文献以及精确解都吻合的比较好，从而说明了该方法的有效性和准确性。

A numerical solution of the isothermal EHL problem for finite line contacts has been pressnted which is convergence in moderate load and material parameters.

二。用差分格式离散二维Reynolds方程，通过间接求解的方法，推出了中等载荷和材料参数下收敛的等温有限长线接触弹流数值计算方法，有效地克服了等温有限长线接触Reynolds方程的强各向异性所产生的数值计算易发散问题。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。