According to the elastic thin plate theory and vibration theory, a boundary element method (BEM) was used to analyze the frequency characteristics of a thin plate in lateral free vibration.
根据弹性薄板理论和振动理论，运用边界元法(BEM)分析了薄板弯曲自由振动的频率特性。
There is a considerable overlap between Wegener's concepts and the later widely embraced plate tectonics theory.
魏格纳的概念与后来被广泛接受的板块构造理论之间有相当大的重叠。
In the theory of elastic thin plates, the bending of a free rectangular plate on the elastic foundation is also a difficult problem.
在弹性地基上的自由矩形板的弯曲，在弹性薄板理论中也是个难题。
A key aspect of plate tectonic theory is that on geologic time scales ocean basins are transient features, opening and closing as plates shift.
板块运动理论的一个关键点就是在地质历史的尺度内，海洋盆地的开合是因为板块转换，具有转换特征。
A refined theory of laminated plate is presented, and the analytical solutions of thick laminated composite plates are given for two particular laminates under associated boundary conditions.
文章提出一种改进的叠层板理论，并针对两种特殊的叠层和相应的边界条件，给出了叠层复合材料厚板的解析解。
A unified theory for calculating the noise radiation of an infinite elastic plate excited by turbulent boundary layer pressure fluctuations is presented.
本文提出一个统一的理论计算湍流边界层压力起伏激励下无限大弹性板的噪声辐射。
The new measurement theory is deduced in detail by using elasticity theory. A new approach is provided to measure the residual stress in the thick plate.
运用弹性力学理论对该方法进行了详细推导，为厚板内部残余应力测试提供了一条新途径。
Subduction and collision theory of Plate tectonics is a basement of the study of granite tectonic dyna mics and geodynamics.
板块俯冲碰撞理论曾是花岗岩构造动力学、地球动力学研究的主线。
A design model of a finite length rectangular pressure vessel was established based on the plate heap theory, the calculation formula of the side plate thickness was derived.
在平板叠加理论的基础上，建立了一个有限长对称矩形压力容器的设计模型，并推导出其侧板厚度的计算公式。
Scientists have developed a theory, called plate tectonics, that explains why most earthquakes occur.
科学家建立了一个能解释大多数地震发生的理论，叫做板块构造。
According to the reliability design theory and Fuzzy mathematics theory, put forward a Fuzzy reliability design method of working parameter for plate brake and give some application examples.
从机械可靠性设计理论及模糊数学理论出发，给出了盘形制动器工作参数的模糊可靠性设计方法，并附有应用实例。
By the variational method, the governing equation of the plate non-linear theory is solved, and he relationship between load and deformation of a single spring leaf is obtained.
应用薄板非线性理论的变分方法求解基本方程，得到了单片碟形弹簧的载荷和变形关系以及应力分布及其计算公式。
For deep burying cavern foundation, it is treated as a problem of infinite plate containing a hole, whose analytical solution can be obtained by using elasticity theory.
对于深埋圆形洞室地基可视为一个双向受压无限板孔应力集中问题，由此也得到其弹性理论解析解。
This paper has studied a lot of method and theory about vehicle plate location, character divide and character recognition systemically.
本文对车牌识别系统的车牌定位、字符分割和字符识别进行了系统的研究。
According to the nonhomogeneous anisotropic elastic theory, a calculation model of the composite material plate with the circular hole in joint structures is set up.
本文针对连接结构中含圆孔的复合材料板，根据非均质各向异性弹性理论建立计算模型。
The plate girders system structure was considered as a plate according to the theory of bending of skew plate.
本文根据斜交构造异性板的弯曲理论，把板梁组合结构比拟成板来计算。
A method of calculating elastic curve for semiflexible plate wind tunnel nozzle has been presented, based on the linear theory of small deflection of beam deformation, in this paper.
本文基于梁弯曲变形的小挠度线性理论，提出了半挠性喷管挠性板弹性曲线的计算方法。
Based on the classical nonlinear plate theory, axisymmetric post-buckling behavior of a functionally graded circular plate under radial compression was investigated.
基于经典非线性板理论，研究了功能梯度圆板在均匀的径向压力作用下的轴对称过屈曲问题。
This representation relies only on the displacement components of the mid_plane, which are governed by a set of two_dimensional differential equations similar to those in the classical plate theory.
这一表达式仅依赖于中面的位移分量，后者由一组类似于经典板理论的二维微分方程控制。
According to two-phase flow theory, a steady distributed parameter model of plate evaporator to simulate the plate evaporator is developed.
本文根据两相流动换热理论，提出了一个板式换热器的稳态分布参数模型。
According to the characteristics of the thick pre-stretched aluminum alloy plate, a new method of measuring the residual stresses in thick plate is deduced by the elastic mechanical theory.
根据预拉伸铝合金厚板的特点，运用弹性力学理论推导出厚板内部残余应力测量的新方法。
According to the theory of a plate with large deflections, the motion responses equations of a floating plate are established considering the influence of the membrane forces.
根据板的大挠度理论，考虑板内的薄膜力，建立了波浪中运动平板的水弹性运动方程。
A new effective way to formulate thin plate element can be realized by using the similarity theory between plane elasticity and plate bending.
平面弹性与板弯曲的相似性理论为构造薄板单元提供了一条有效的新途径。
The theory of controlling the noise radiated by plate and shell according to frequency districts is stated. A damping design method in terms of the value of noise reduction is advanced.
本文阐述了板壳结构噪声的分区控制理论，提出了以降噪量作为设计指标的阻尼设计方法；
As a theoretical basis of this article, the theory of plate design for chemical classroom teaching provides avenues for in-depth study of the various phenomena of classroom teaching.
化学教学板块设计理论为深层次研究课堂教学的种种现象提供了途径，是本文的理论基础。
A theory and method for calculating the noise level radiated by plate are presented in this paper.
本文提出了一种计算平板结构辐射噪声的理论和方法。
Based on the first-order shear deformation plate theory, axisymmetric governing buckling equations are derived for a functionally graded material circular plate subjected to in-plane pressure.
基于一阶剪切变形板理论，推导了功能梯度材料圆形板在边界面内均布压力作用下的轴对称屈曲方程。
Based on the theory of modal strain energy, a damage index is deduced to identify the plate-like structure damage.
应用模态应变能理论得到了能用于板类结构损伤的识别指标。
A set of stability test-bed was designed, which may carry out the stability experiment for plate and stiffened plate, based on the theory of structure stability.
文章基于结构稳定性理论，设计了一套稳定性试验平台，使其能够完成板、加筋板的稳定性试验。
On the basis of stochastic theory of turbulent flow developed by the author, the mean structure of turbulent boundary layer flow near a plate is discussed in detail.
本文应用作者提出的紊流随机理论，全面讨论了平板边界层紊流的时均结构。
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