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By using the method of expanding the aperture function into a finite sum of complex Gaussian functions, approximate closed-form propagation equations of TMn0-Gaussian beams diffracted by hard-edged parallelogram aperture s are derived.

通过将硬边光阑函数展为复高斯函数之和的方法，在直角坐标系下研究了TMn0模高斯光束通过有平行四边形光阑的衍射，得到了近似的解析传输公式。

The blades are modeled as cantilever beams fixed on the disk. The equations of motion of the system are derived. The eigenvectors are obtained by solving the eigenvalues of the system and the localized modes of vibration in mistuned systems are further gotten.

采用固定在轮盘上的悬臂梁模型来模拟叶片，推导了结构系统的运动方程表达式，求解特征值问题获得了结构系统的特征向量，进而得到了失谐结构的局部化的振动模态。

The experimental results show that the increase of the centroid transverse displacement in the beam-pulse flattop duration is confined and the bigger energy-sweep beams are partially rejected in the alternate focusing solenoid field.

实验结果表明，采用交变极性聚焦场聚焦，抑制了束脉冲顶部质心横向运动的发展，同时可剔除束脉冲前后沿能散度较大的那部分束。

All the beams are only designed for major direction flexure and shear.

所有的光束仅仅是专为专业方向的挠度和剪切。

The rotated and scaled timber flitch beams forming the main structure became two coiled surfaces, both with an explicitly pleated topography.

旋转和缩放木材flitch梁形成的主要结构是两个连续的表面，既明确折叠的地形。

There is a built-in database of design properties for structural composite lumber, solid sawn lumber, glulams, I-joists, tube steel,composite flitch beams and wide flange steel.

内含数据库包结构合成的各种杂料的设计属性，锯木材，胶合板，I型托梁，钢管和宽凸的钢。

Further,in illustra- ting the principles of designing an U-shaped floating dock which is used for docking of 10,000 tons-class merchant ship s as an example,the author solved and analyzed the problems regarding to longitudinal strength of floating dock and the ship docked therein with the use of theorem of beams on elastic foundation.

然后以万吨商船为例阐述了浮坞设计的概要，并运用弹性基础梁的理论对浮坞强度计算进行了分析和探讨。

Foredeck plates pulled down against camber of deck beams.

前甲板板推倒对曲面的甲板梁。

In this paper, using different formulae of the ultimate capacity of curved beams, a regression model is obtained.

水平曲梁在弹性和弹塑性阶段工作特性的研究成果为其工程应用提供了理论依据。

Four-post lift has four posts, two beams and two plates.

四柱式举升机有四根立柱、两根横梁、用于支撑汽车的两个台板。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。