三点的

To improve the accuracy of the coordinates of points,a model is described which consider the equation geometric meaning,making use of mid-point of crossover line to get 3D points coordinate.

三维坐标点计算方面，考虑方程组的几何意义，采用异面直线公垂线中点逼近三维空间点的方法，提高了点坐标的计算精度。

This is a project to use the three-dimensional space vector/point type and related functions, they can be defined using a space vector/point, the realization of vector translation, scaling and rotation, the use of correlation function can also be the realization of the two vectors fork x, the absolute length of a vector, a vector unit, and get a three-point decision to the vertical plane of the vector, be the distance between two points in space, by the two vectors point multiplication by the two vectors angle, such as operations, for the use of user-friendly, each function are detailed notes, I hope all of you useless.

详细说明：这是一个项目时使用到的"三维空间向量/点"类及相关函数，使用它们可以定义一个空间向量/点，实现向量的平移，缩放和旋转等，使用相关函数还可以实现两向量的叉乘，得到一个向量的绝对长度，将一个向量单位化，得到一个三点决定的平面的垂直向量，得到空间中两点的距离，得到两向量的点积，得到两向量的夹角等操作，为方便用户的使用，每个函数都有详细的注释，希望对大家有所用处。

This paper presents a new rendering algorithm by the contrast between the Flat method, Gouraud method and Phong method, through which the color of each pixel can be figured out under the lighting model after the coordinates and normal of every corresponding point on the 3D-object surface have been calculated from the pixels in the range where the 3D-object is projected onto the photo, in order to provide each pixel a real color and get an image with strongest feeling of reality.

本文在对比研究了真实感图形生成中传统的Flat，Gouraud，Phong等明暗渲染方法后，提出了一种新的明暗渲染方法。在图像平面三维物体的投影范围内，由图像的像素坐标求出物体模型对应点的三维坐标及其法矢，然后对每个像素点根据光照模型来计算其明暗度。这种方法能够最大可能的保证图像中每一像素点明暗度的真实性，从而使所生成的真实感图像更加逼真。

The relationship between the coordinates on the 2-Dimension plane and the coordinates in the 3-Dimension space has been established by using of the Neuron Network in this paper.

犁体曲面的展开是将三维空间点的尺寸数据向二维平面上进行近似展开，每一个三维点都有一个二维点与其对应。

The method comprises the following: a step of calibrating a camera, which is to utilize a Taylor series model to calibrate an omni-directional vision sensor so as to obtain internal parameters of the camera; a step of obtaining epipolar geometric relation, which comprises the steps of calculating an essential matrix between binocular omni-directional cameras and extracting the rotation and translation component of the cameras; a step of correcting an outer polar line, which is to correct the outer polar line of a shot omni-directional stereo image so as to allow a corrected polar quadratic curve to coincide with an image scan line; and a step of three-dimensional reconstruction, which is to carry out feature point matching to the corrected stereo image and calculate the three-dimensional coordinates of points according to matching results.

该方法的步骤包括：相机标定：利用泰勒级数模型对全向视觉传感器进行标定，得到相机内参；对极几何关系求取：包括计算双目全向相机之间的本质矩阵，并从中提取相机的旋转和平移分量；外极线校正：对所拍摄的全向立体图像对进行外极线校正，使校正后的极二次曲线与图像扫描线重合；三维重建：对校正后的立体图像对进行特征点匹配，根据匹配结果计算点的三维坐标。

According to the characteristics that SMT solder joint quality is related to its 3-D geometrical shape directly, theory of solder joint shape was put forward.

根据SMT焊点质量与焊点的三维几何形态直接相关的特点，提出了SMT 焊点形态理论。

Advertisement creative design and production - Business VI Visual Identity System - posters, advertising, outdoor ads, such as print media advertising creative, design and production - the effect of three-dimensional space design - Terminal publicity materials design, printing, printing and production of terminal logo logo display terminal design and production - retail, restaurant chains, the Exhibition Hall, proprietary point of sale visual, display, logo design and production - large-scale buildings and public facilitiessystem design and production - display display rack, Steel-wood counters , props, metal, plexiglass products, design and production planning and implementation of the Convention and Exhibition Events - Exhibition design, exhibition and set up the planning, organization - the contractors of various large-scale exhibition PR campaign society System: display cabinets and display of aircraft products and Exhibition Items Exhibition Logo Products Terminal Units structures: the word independent Lightbox plexiglass signs carved three-dimensional packing of hard metal processing of aluminum and neon signboards word products LED advertising signs lightguide plate flipped three ultra-thin light box light box cloth 3M Film 3M Inkjet Printer Photo Posters posters from scratch, from a point to face, from the visual culture, from the surface to the deep, from products to brands, Norma are consistent pursuit.

广告创意设计及制作-企业VI视觉识别系统-海报、车身广告、户外广告等平面媒体的广告创意、设计及制作-三维立体空间效果设计-终端宣传品的设计、印刷、喷绘及制作终端标识终端标识展示设计及制作-零售、餐饮连锁店、展示厅、专卖售点的视觉、展示、标识设计和制作-大型建筑物及公共设施导视系统的设计和制作-展示展架、钢木柜台、道具、金属、有机玻璃制品的设计和制作会展活动策划及执行-展览会设计、布展及搭建策划、组织-承办各项大型社会公关活动展览展示系统：展示柜及陈列架产品展示道具展览展台搭建终端标识产品：独立字灯箱有机玻璃雕刻立体吸塑硬招牌金属加工铝字招牌霓虹灯及LED制品三翻转广告招牌导光板超薄灯箱 3M灯箱布喷绘 3M贴膜宣传画招贴喷绘写真从无到有，从点到面，从视觉到文化，从表面到深邃，从产品到品牌，是诺玛一贯的追求。

We also generalized the vertex topology of polyhedra to ordinary solid and give the blending algorithm for solid vertex with exactly three edges.

将多面体的角点拓扑推广到一般实体的角点情况，给出了一般实体三边角点的过渡算法。

The distribution of spark locations corresponding to certain potential differences are simulated numerically, which shows that it is unable to detect the definite spark location with two inputs.

四点输入情况下理论和仿真研究了放电点位置与电位差对V〓-V〓和V〓-V〓的关系，从而证明了四点输入可以唯一地检测出放电点位置；通过研究四点输入和三点输入的圆电极的情况，首次提出可以将放电点位置检测的电位差法推广到其它形状规则对称的电极上。

The author selects these three problems because the judicial systemconsists of the foundation of the common law,the feudalism deeply affects the spiritof the common law and the estate system is the fundamental problem of the commonlaw.

其中第一点是普通法发展的&硬件&设施，第二点则在很多方面型塑了普通法的精神，第三点则是普通法中的基础性制度。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。