三维

Whether in its narrow or broad definition, stereology is essentially an interdisciplinary branch of science about 2D and 3D structures and images,especially the three-dimensional interpretation of flat images by criteria of geometric probability.

不同定义中有一点是共同的，即体视学是一门关于多维几何结构及图像的边缘和交叉科学分支，是不同学科中获得三维显微组织结构几何形态信息的基本工具。

In this approach ,the sketch is designed with simple elements such as points , segments, circles or Child-Graphs which is combination of above simple elements ;geometric elements is designed in sequence can implement the function of unwell defined(less-constrain) parametric design.2Dand 3D constrains is treated consistently.

不同于常见的用底层图元进行设计的二维全约束求解方法，提出并实现了一种基于子图的序列化草图设计方法。使设计者既可用通常的点、线、圆弧等的基本图元，又可用高层的子图设计，可加快设计过程；序列化设计求解方法可实现变量化设计；基于标识的约束模型，使该方法可统一二、三维约束求解。

Direct and accurate calculation on three-dimension watershed geomorphology is one of key issues in current fractal geomorphology.

实现具有三维立体特征的流域地貌分形维数直接准确计算，是目前分形地貌学研究所面临的主要问题之一。

To meet the increasing demand for graphics accelerator in smart hand phone and network notebook, a preliminary architecture for 2D graphics accelerator and 3D pixel shader is presented.

为了适应智能手机和网本机对于图形加速器的需求，提出一种二维图形加速器和三维像素着色器的体系结构。

From the Angle of technology, this paper discusses the 3d modeling and comprehensive application of two-dimensional hand-painted between the necessity, feasibility and rationality.

本文从技术的角度出发，论述了三维建模和二维手绘两者之间综合应用的必要性、合理性、可行性。

By use of the relationships between the hermite polynomial and the laguerre polynomial, the eigenequations of one-dimensional harmonic oscillator and hydrogen atom are conversed into the same equations in form.

同时本文利用SU(1，1)代数将二维、三维情况下的谐振子同加了反平方势的氢原子分别表示成具有相同形式的两算符下的本征值方程，从而得出

We discuss the anisotropic interpolation error estimates of parallelepiped element, of brick element and of hexahedral element, respectively.

将二维类Wilson非协调元推广到三维各向异性Wilson砖元和各向异性类Wilson六面体非协调元。

In Chapter 4, eight two- and three-dimensional non-interpenetrating open-networks having diverse sizes and shapes have been constructed with a potential tetradendate ligand hexamethylenetetramine and characterized by X-ray single-crystal structural analysis.

第四章描述了包括第一例由 m 4-hmt 配体形成的二维网络结构（配合物20）在内的八种具有各种形状的孔穴或通道的二、三维非穿插网络配合物的构筑与晶体结构。

Main 3-D characteristics are taken into account, and the theory gives a detailed describe to the calculation of the unsteady components of hydrofoil lift and other important problems.

该理论在二维理论基础之上计入了主要的三维特性，并对非定常水翼水动力计算等重要问题予以了详尽的阐述。

Methods Eighty-two MR VEs were performed using navigator softwareon the workstation(Advantage windows 2.0, GE Medical Systems) based on 2D or 3D source image data sets of MR hydrography of urinary tract(n=33), cholangiopancreatic duct(n=16), spinal canal (n=8) and ventricle(n=5), and MR angiography intracranial (n=10) and abdominal (n=10) on 1.5T MR scanner.

将62例MR水成像(尿路33例，胰胆管16例，椎管8例，脑室5例)和20例MR血管造影(脑、腹部各10例)二维或三维扫描数据传输至工作站，用导航软件选择适当成像方式、阈值、视角及方向和人工伪彩色重建沿管腔长轴行进的内表面图像。

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。