The boundary element method ( BEM) is a widely used method because of its accuracy and dimensionality reduction.

As a result, using dimensionality reduction techniques for data processing becomes extremely important.

因此，利用降维技术对高维数据进行处理就显得尤为重要。

The classification of management is based upon the four-dimensional structure of management.

而管理的分类建立在管理的四维结构的基础上。

The Four-dimensional Structure, Classification and Development Trend of Management Science

管理科学的四维结构、分类和发展趋势

But, from four-dimensional view, itis full of matter induced from the extra dimension, named induced matter.

但是，从四维的角度看，宇宙中则充满着从额外维诱导出来的物质，被称为诱导物质。

from one-dimensional, two-dimensional, three-dimensional and even four-dimensional systems.

从一维、二维、三维甚至到四维的系统。

Weapon efficiency analysis based on dimensional analysis method

基于量纲分析法的武器效能分析

The Application of Dimensional Analysis Theory in Mechanics of Materials

量纲分析理论在《材料力学》中的应用

The Application of Dimensional Analysis in Model Experiment of Geotechnical Engineering

量纲分析法在土工模型试验中的应用

Dimensional analysis is one of the important approaches to study physical problems.

量纲分析是研究物理问题重要方法之一。

A three dimensional drawing platform is built on the basis of the three dimensional platform, and this system supplies finite element module of pre and post processing, and some basic additional construction analysis functions.

通过三维平台，构建了一个三维绘图平台，同时系统提供了一套有限元前／后处理模块，并附带一些基本的结构分析功能。

The technique essentials and keys to the key parts modeling and assembling conjunction design process were discussed. And dynamic simulation of assembling process and conjunctional production of two dimensional drawing were conducted.

探讨了关键零件的三维特征造型过程中的技术要点和基于装配的关联设计的技术关键，动态模拟装配过程、关联产生二维工程图。

With the continuously upgrading of 3 Dimensional drawing software, many new theories on lighting application have been put forward in the past few years with increase drawing capability in general.

随着三维绘图软件的不断升级，几年来灯光应用提出了很多新的理论，绘图水平也有了普遍提高。

The Research on the New Method of Graphical Solution and Three Dimensional Drawing in Descriptive Geometry Under the Circumstance of AutoCAD

AutoCAD环境下画法几何图解与三维绘图新方法的研讨

A method to build dimensioning model of 2 dimensional drawing based on undirected graph is presented.

提出了一种基于图结构描述的二维图形尺寸标注模型的建立及存储方法。

The Study of Building Parametric Standard Part Lib in Two dimensional Drawing Based on Automatic Identification

建立基于自动识别的二维参数化标准件库方法的研究

Simple analysis on how to improve the speed of two dimensional drawing based on AutoCAD

浅析提高AutoCAD二维绘图的速度

Design of Helical Blade Die for Concrete Mixing Truck With Three Dimensional Method

三维法设计混凝土搅拌车螺旋叶片压模

Acquisition of Damage Response Function Based on Optimal Design and Dimensional Method

基于量纲分析和最优设计的毁伤响应函数获取

Purpose To compare two dimensional method ( 2D) and three dimensional method ( 3D) with spiral CT for measurement of femoral neck anteversion ( FNA).

目的研究比较螺旋CT二维法和三维法在小儿股骨颈前倾角（FNA）测量中的应用价值。

In this paper, the authors study the properties of hyperbolic Euler for-mula of Two-dimension, the four-dimensional hyperbolic Euler formula is put upin the domain timelike of four-dimensional hyperbolic complex space.

本文考察了二维双曲Euler公式的若干性质，在四维双曲复空间的拟时区建立了四维双曲Euler公式。