三维

So a new model of three-dimension neural network is proposed in this paper to deal with the problem of three-dimension assignment.

该文提出了一种三维神经网络模型，用以解决三节点情况下航迹关联的三维分配问题，并进行了实验仿真。

In this article both stereo vision and line2laser scan sensor are integrated to CMM,according to this measuring system the bound2 aries or outlines of object are obtained by stereo vision and the ostensible data of object are achieved by line2laser scan sensor. Information fusion of multi2sensor can be utilized to segment 3D data、to abstract the geometry characteristic of the object、to construct the object modeling.

将立体视觉和线激光扫描传感器集成到三坐标测量机下，由立体视觉来获得物体的边界或轮廓信息、线激光扫描传感器获得物体表面的三维数据，利用多传感器的信息融合技术对三维数据进行分割，提取被测物体的几何特征，并在此基础上构建物体模型。

Through calculating the generalized dimension by covering the signal with n-dimension boxes, three dimension feature vectors including the box dimension, the information dimension and the correlation dimension are got.

首先利用覆盖法求取广义维数得到该语音信号的三维特征向量，包括容量维数、信息维数、关联维数；然后计算信号的维数特征距离；最后根据特征距离对语音信号类别进行决策分类。

First, this paper, in the field of intrinsic geometry, studies the geometric problems on garment design, as well as applies the frame and semi-geodesic coordinates to prove the fundamental theorem of being a developable surface.

文中首先在内在几何学的层次上，研究了服装设计所涉及的几何学问题，应用标架与半测地坐标方法证明了曲面成为可展面的基本定理，研究了可展面的分类及其性质，考虑到服装三维几何造型的需要，证明了组合式可展面各组成片相切连接条件的命题，作为构造可展面的理论依据，证明了单参数平面族的包络面必为可展面的命题，在此基础上发展出服装几何造型的"刮大白"方法以及相关的三种构造可展面的解析方法。3D→2D的变换是三维服装CAD的重要内容之一，其几何学实质是曲面的定长映射，文中总结了定长映射即可展面在平面上展开的基本准则，在这一准则的指导下，结合服装设计与相关领域的要求，讨论了可展面在平面上展开的解析方法与数字方法，上述内容确立了服装设计几何学的基本框架。

The 1D wave equation inverse scattering problem includes many proce- dures such as time-depth conversion,Z transform,1D spectral fac- torization,reflection coefficient and transmission coefficient,et...

三维波动方程逆散射的关键环节可类比于一维波动方程反问题，一维波动方程逆散射中的时深转换、Z变换、一维谱分解和反射与透射系数等环节，在多维波动方程逆散射或速度横向变化介质逆散射的研究中，被替换为射线坐标系、单程波算子、基于Witt积的多维谱分解和反射与透射算子的平面波响应。

The relationship between an object s three dimensional entity and its two-dimensional multi-views can be expressed vividly and visually by Solid Edge V11 parametric molding software, which constructs three-dimensional entity model and represents an engineering object spatially and dynamically.

用SolidEdgev11参数化造型软件建立三维实体模型，以真正的空间概念和动态方式表示工程对象能形象直观地表达一个对象的三维实体与多幅二维视图之间的关系。

In this paper, we present a wave theory based rendering technique: light wave field rendering, by combining wave graphics, Fourier optics, computational holography and the existed image based rendering techniques. In light wave field rendering, a 3D wave field is represented by one or more wavefronts which are stored as 2D arrays of complex numbers.

本文结合波动图形学、计算全息学和傅立叶光学等研究领域的相关技术，将波动的概念引入光场绘制过程，根据定态光波场的解析特性，使用平面或封闭曲面波前上的二维复振幅分布，来表示无源空间中三维的光波场，提出了一种基于光波场的绘制技术，用于三维物体的视点无关绘制和立体真实再现。

It's a slice/deposit technology. It slice 3D solid along a direction, abtained 2D outline data, after made all sliced plane deposit planes to deoxidize 3D sloid.

它采用离散/堆积的加工技术，将三维实体沿某一方向进行分层处理，依据二维截面轮廓数据加工层片后堆积还原成三维实体。

It has long been accustomed to the definition of zero-dimensional point, a straight line for the one-dimensional, flat for the two-dimensional, space for three-dimensional, Einstein

长期以来人们习惯于将点定义为零维，直线为一维，平面为二维，空间为三维，爱因斯坦在相对论中引入时间维，就形成四维时空。

Shoe last from two-dimension to three-dimension and from three-dimension to two-dimension have been realized.

该设计使得鞋楦二维到三维和三维到二维的转换得到统一实现。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。