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In this paper, the modified method of multiple scales is applied to study the bending problems for circular thin plate with large deflection under the hinged and simply supported edge conditions.

本文应用修正多重尺度法研究圆板在铰链和简单支承条件下的大挠度弯曲·作出其级数解，分析其边界层效应和证明其渐近性

Using the concept of the of weighted residual method and choosing the fifth B-spline as a trial function to meet the needs of boundary conditions,the mechanical problem of large deflection of a rectangular thin plate is discussed.

采用加权残值法探讨大挠度力学问题时，用5次B样条作为未知函数的试函数，使其直接满足边界条件，这种方法与传统的有限元法相比，具有未知量少，自由度少，连续性强，边界条件容易满足等优点

The conclusions provides practical significance for engineering practice.The side displacement of the glass plate center is larger or less than the glass plate thickness,for the 3D geometric size of the glass plate and the lateral load vary in a wide range. In other words,the mechanic analysis of glass plate belongs to large deflection or small deflection theory in thin plate theory.

由于幕墙玻璃的三向几何尺寸和横向荷载集度可在较大的范围内变动，玻璃板中心的侧向位移，有可能小于或大于玻璃板的厚度，也就是说，幕墙玻璃的力学分析，既可能属于薄板理论中的小挠度问题，也可能属于大挠度问题。

ABSTRACT:In this paper ,a novel system is developed for the measurement of deflection of large struc2tures.

本文介绍了一种用于大型土木工程结构的投影式光学挠度测量系统。

There is significant difference between the result of large deflection analysis and the result of small deflection analysis.

计算表明，大挠度与小挠度力学分析结果在大多数情况下存在着较为明显的差异。

The results show that the deflector has the features of a large,bidirectional angular deflection and fast time response.

测量结果表明，这种微偏转器的特点是可双向偏转且偏转角度大且具有快的时间响应。

The experimental results indicated that the specimen had a large deformation when the ratio of consolidation stress and frequency were larger and the relative density was smaller.

试验结果表明，当固结应力比、频率较大，而相对密度较小时，试样有较大的变形，更容易发生破坏。

Then, based on a large number of static and dynamic laboratory test results, the calculation formulation on dynamic modules of shear deformation, damping ratio, dynamic pore water pressure, dynamic residual deformation are proposed, the parameters of these formulations are also given.

在此基础上，对粉煤灰进行了大量的动力特性试验研究，提出了该类粉煤灰相应的动模量及阻尼比的计算公式并给出其抗液化强度、动孔隙水压力及动残余应变的计算公式及其参数。

The experimental result indicates that the sample has a large deformation when the parameters of ratio of consolidation stress, frequency are higher and the sample has a small deformation when the parameter of density is higher.

试验结果表明，当固结应力比、频率较大，而相对密度较小时，试样有较大的变形，更容易发生破坏。

The deformation is one of important standards to guarantee the performance and quality of large structure.

大型工程结构的形变情况是评估工程工作性能和安全状况的一项重要标准。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。