量子引力理论指出时空结构具有一个由一维量子线编织成的“原子”几何图。
Quantum-gravity theory indicates that the fabric of space-time has an "atomic" geometry that is woven with one-dimensional quantum threads.
本文根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
这种控制器的设计结合了微分几何理论及变结构控制理论。
Design of these controllers combines the differential geometry theory with the variable structure control theory.
这理论表明，本构方程完全确定物质流形的几何结构。
This theory shows that the constitutive equations determine entirely the geometric structure of the material manifold.
详细描述了非线性控制理论几何结构原理的精确线性化算法的过程。
In all details, this paper introduces the algorithmic procedure on the geometric structure principium of nonlinear control theory.
根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Based on geometrical nonlinear finite element theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
本文根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Based on geometrical nonlinear finite element theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
本文借助于流变学理论，对在给定物料和纺丝工艺条件下的熔融纺丝喷丝板设计及确定合理的几何结构尺寸作了阐述。
The design of spinnerets and the determination of the reasonable size in geometry for the given feed polymer and spinning technology are illustrated with the aid of rheological theory.
基于上述理论，开发了可考虑几何非线性效应的细长结构稳定性分析软件。
Based on the above theory, finite element software is developed to analyze the geometrically nonlinear stability of slender structure.
根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
爱因斯坦认为此理论对宇宙几何结构有什么暗示？
What did Einstein think the theory implied about the geometrical structure of the universe?
第4章主要解决了齿面的参数化和微分几何结构分析问题，它是实现三阶接触分析理论的基础。
Chapter 4 mainly solved the problems of tooth flank parameterization and the analysis of differential geometric structure, which is the theoretical basis to implement the third order contact analysis.
不同于基于几何光学理论的闪光灯计算和设计方法，采用了蒙特卡罗光子追迹法来分析闪光灯的结构设计。
Instead of the geometrical optics approaches, the Monte Carlo photon tracing method was used to analyze the structure design of flashlight.
通过设计与生产实践，对转盘式萃取塔的几何相似放大与结构设计方面的理论与实践，提出了探讨建议。
Some suggestions on the theory and practice in geometric scale up and construction design of rotating disk extraction columns have been presented.
根据土体具有的非线性特征，运用分形几何理论提出了7项定量表征土体微结构状态的分维指标。
According to the nonlinear features of soil, 7 fractal dimension parameters to identify structure state of soil are suggested with the help of fractal theory.
方向性小波理论为图像处理提供了一种新的稀疏表示方法，能够更有效地捕捉图像中的几何结构。
The directional wavelet theory provides a novel sparse representation method for image processing, and it can capture geometrical image structures more efficiently.
应用分形几何理论，研究了不同条件下制备的黑稻壳颗粒的表面结构特征。
In this paper, the structure characteristics of particle surface of black rice husk produced under different conditions were studied by the fractal geometry.
根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Based on geometrical nonlinear finite element theory, a curved quadrilateral isoperimetric element with8 nodes for initial form analysis of tensile membrane structures is presented.
本文根据几何非线性有限元理论，采用8结点曲面四边形等参单元，编制了用于张力膜结构内力分析的有限元程序。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
由二阶理论建立了梁杆结构分析的精确几何非线性有限元增量平衡方程，并利用精确有限元方法对一些典型结构进行了稳定性分析。
Accurate geometry! Non linear finite element increment equilibrium equation is set up by two orders theory. Typical structure stability is analyzed with this accurate finite element method.
本文根据几何非线性有限元理论，采用8结点曲面四边形等参单元，编制了用于张力膜结构内力分析的有限元程序。
The internal forces in tensile membrane structures were analyzed using geometrical nonlinear finite element theory using curved quadrilateral isoperimetric 8 node elements.
本文应用几何绕射理论研究了有限结构体上天线的辐射特性，并给出了圆柱体上直立天线的计算结果。
In this paper, the antenna radiation features on finite constructional bodies is studied via GTD, and the calculated result of vertical antenna on cylinder is obtained.
在几何非线性有限元理论的基础上，建立了膜结构和索网结构非线性位移法找形分析的基本方程。
Based on the geometrical nonlinear theory, the equations for form finding of cable nets and membrane structures are established.
研究了大型环状索杆张力结构这一新结构的几何非线性稳定性能，为其应用于实际工程提供了理论基础。
The large annular cable-bar dome is a new type structure. In this paper, the geometrical nonlinear stability of this structure was studied for the practical engineering .
但理论研究表明，只有特定的几何约束结构，才具有射影不变量。
However, researches show that only some special geometric constrained structures possess projective invariants.
根据所使用的三种塔几何结构所得的实验数据检验，理论分析结果与实验所得结果能较好地相符。
After being tested by the experimental results from three geometrically different columns, the theoretical results were found in good accordance with the experimental ones.
根据多孔介质的结构特点，我们利用分形理论模拟了多孔介质的几何结构。
Based on the structural characteristics of porous media, we used the typically fractal model to simulate the geometry structure of porous dilectrics.
在几何光学模型近似下，对用TEM 00高斯激光束驱动微型螺旋桨结构的光驱动力和力矩进行了理论计算。
The optical force and torque of a micro-propeller-shaped rotor driven by TEM00Gaussian laser beam are calculated with a geometric-optics model.
而由伽罗瓦和阿贝尔创立的群的结构并由克莱因提出的几何变换群理论为几何学从第二阶段到第三阶段的转变提供了依据。
The group which is founded by Galois and Abel and the theory which is proposed by Klein provide the tool from the second stage to the third stage of the geometry.
第一册讨论船舶在其更加基础的理论上的几何学和测量方法，也包括安全问题，结构强度，下水，调配载重及稳定性。
Volume 1 discusses ship geometry and measurement in its more basic concepts, also covering safety issues, structural strength, flotation, trim and stability.
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