Again, to produce the actual 4-cube we must attach all of its faces and pump in 4-dimensional air.
要再引出实际的4 -立方体，我们必须加上它的所有面并充进4维空气。
Complete classification of affine spheres with constant cross section curvature in 4-dimensional affine space is given.
本文给出了四维仿射空间中具有常截面曲率的仿射球的完全分类。
Except, of course, we haven't see the graph of a function of three variables because that would live in 4-dimensional space.
当然我们还不能看到，三元函数的图像，因为它处在一个四维空间里。
Hyperspace refers to reaching the other end of the universe fast through the multi-dimensional space (we live in 4-dimensional space).
超空间指的是通过多维度空间(我们生活在4维空间)，快速的到达宇宙的另一端。
According to the classification of the 3-dimensional solvable RDS type Lie algebra, we constructed a new class of 4-dimensional RDS type Lie algebra.
根据三维可解rds型李代数的分类结果，构造了一类新的四维rds型李代数。
The basic theorem for constructing a kind of 4-dimensional chaotic system is presented based on the feedback control method under discontinuous state.
提出了基于不连续的状态反馈方法，构造一类四维混沌系统的基本定理，实现了类四维简单线性系统的混沌反控制。
On the basis of the 4-dimensional geometric theory of the nonlinear defect continuum, the continuity equations of dislocations and disclinations are derived.
根据非线性缺陷连续统的4维几何理论，导出了位错和旋错的连续性方程。
By using this system, a set of 4-dimensional equations are iteratively solved, and the experimental results show that the error of the solution is about 5% comparing with theoretical one.
使用这个光电混合系统，用迭代法对一个4元线性方程组求解，实验结果与理论解比较，误差约为5%。
The entire Section 4 is on designing dimensional databases, and the manual offers a very good overview of dimensional data modeling and implementing a dimensional database design with Informix.
整个Section4都关于设计维度数据库，该手册很好地概述了维度数据建模和使用Informix实现一个维度数据库设计。
Further, by stabilizing the processing margin by employing a grindstone 4 made of resin, variations in the dimensional precision in the individual glass substrates can be minimized.
通过试样树脂构成的磨石4可以稳定加工边界，可以使单独玻璃基片的尺寸精度变化最小。
In this paper, we prove that invertible dynamic feedback linearizability is equivalent to linearizability by adding integrators for up to 4 dimensional affine nonlinear systems.
本文证明对低于4维的仿射非线性系统，可通过可逆动态状态反馈线性化的系统一定可通过加积分器线性化。
Kelvin of thermodynamic temperature unit is consists of 4 dimensional space, minus 4 dimensional time and an coefficient of 22.77, its physical expression has upgraded into.
热力学温度单位开尔文是由4维空间，负4维时间和系数22.77构成的，其物理学表述升级为。
Based on Baosteel new No. 4 blast furnace lining structure, a three-dimensional temperature field mathematical model is established.
以宝钢新建4号高炉炉衬结构为原型，建立了这种炉衬结构三维温度场数学模型。
Demonstrated Homomorphic Characteristic Between SO (4, 2) and SU (2, 2) by Stereographically Projecting of Four-dimensional Coordinates.
借助于四维坐标的球极平面投影验证SO(4,2)与SU(2,2)间的同态特性。
In Chapter 4, several problems are involved in linear codes over finite fields with two dimensional modulo metrics.
在第四章中，考虑在两种二维距离之下有限域上线性码的几个问题。
By defining four dimensional 'deformation event', the spring's equation about deformation and elasticity becomes perfect covariant 4-vector one.
在严格定义四维“形变事件”后，弹簧的形变—弹力方程被表达成完全协变的四维矢量方程。
That 4-intersection model is necessary and sufficient for classifying topological relations between 2-dimensional spatial areas is proved, then these 3 different methods are unified.
证明了4交集模型对于分类二维空间区域间拓扑关系的充分必要性，从而将3种不同的研究方法统一起来。
The finite element analysis of three-dimensional steady-state convection-diffusion equation is given by using 4-node tetrahedral elements and 8-node hexahedral elements.
采用四结点四面体单元和八结点六面体等参数单元进行三维定常对流扩散方程的有限元分析。
Method. Iso-C 3-dimensional intraoperative navigation was used to localize osteoid osteomas of the spine in 4 patients.
方法：术中iso - C 3d导航技术用于4名患者术中脊柱骨样骨瘤的定位。
Based on HOUGH transform, a new method of dimensional parameters design of 4 bar line guiding mechanisms is presented, with an actual example verifying the method.
运用图像识别中的HOUGH变换及特征提取方法，对四杆直线导向机构尺度进行研究，给出一种参数设计新方法，并用一个实例对该方法进行了验证。
Results. In all 4 patients, Iso-C 3-dimensional computer navigation was successful in accurate localization of the osteoid osteomas.
结果：在4名患者中，ISO-3D计算机导航对骨样骨瘤精确定位成功。
Two-dimensional invisible identification codes are printed on the surface of the pattern elements (4).
所述图形元素(4)表面印刷有二维隐形识别码。
Nanoscience involves the study and observation of phenomena on the dimensional scale of nanometers, a unit measuring one billionth of a meter (3 - 4 atoms wide).
内米科学包含了对奈米尺度现象的观察，以三到四个原子的宽度为其量测范围。
Chapter 4 is revealing in detail the main content of three-dimensional structure in the spirit of Chinese art.
第四章以俯仰天地为文化视角，具体研究中国艺术精神的三维结构及其主要表现。
Chapter 4 is revealing in detail the main content of three-dimensional structure in the spirit of Chinese art.
第四章以俯仰天地为文化视角，具体研究中国艺术精神的三维结构及其主要表现。
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