截面

The stress distribution of section in wide and thin box girder subjected to simultaneous bending and axial forces doesn't conform to the assumption of the plane section, and the transverse stress distribution is uneven; with the increasing of bridges' span and the lowering of security repertory, to consider the uneven of stress distribution in calculation of design and construction control, and to analyses the shear lag effect in the process of bridges' construction and using are bound to have important engineering value and theorical significances.

在压弯荷载共同作用下，宽而薄箱梁的截面应力分布并不符合平截面假定，沿横向分布不均匀；随桥梁跨度的加大和安全储备的降低，在设计计算和施工控制计算中考虑这种不均匀性，准确分析其在施工和使用阶段的剪力滞问题具有重要的工程价值和理论意义。

And then the node coordinates of the sections of aircraft can be achieved according to the variable parameters which are to be optimized, the constant parameters and the planform of few control sections.

建立了类似F-22布局的飞机外形的几何模型生成方法，可以根据优化变量和固定参量的值，以及少数几个控制截面的形状，生成飞机外形各个截面的节点坐标。

Through the discussion on the calculating methods for failure probability of element section with the influence of one or more human errors ,a mathematic analytical formula under ideal known conditions is deduced.

通过对单个或任意多个人因差错影响下构件截面失效概率计算方法的分析讨论，推导出在理想已知条件下的数学解析求解公式；在考虑人因差错对结构参数影响程度的空间离散化后，得出了相应的简化计算方法；并以一个单筋梁的正截面为例进行了失效概率计算和人因差错影响程度分析。

Based on the fact in 3D restoration that most sequential section contours of an object are similar to adjacent ones, a quick method on triangulation between two section contours is proposed in this paper.

基于三维重建时物体截面轮廓线序列中的相邻轮廓线基本相似的事实，提出了一种物体截面轮廓线点集之间的三角划分的快速算法。

It is difficult to get eigen equation of the regular polygon cross section waveguide.

其中平板波导和圆截面波导已经得到了比较充分地研究[1-2]，但对正多边形截面波导的研究，一直没有简便有效的方法。

The results showed that when the cross-sectional shape as a regular polygon unchanged, all the param-eters are only associated with the width of the crease.

结果表明：当截面形状不变且为正多边形时，各尺寸参数只与折痕宽度有关；随着折痕宽度的增大，所有参数都按比例同步增大，即该类新型纸容器的各折边长度尺寸由截面形状及折痕宽度唯一确定。

Experimental result shows that when the incident is vertically polarized, the head direction RCS average's variation along the relative curvature is of "W" shape and has 2 minimum values; when horizontally polarized, the head direction RCS average's variation is different in two bend fashions.

实验结果表明，垂直极化下头向雷达散射截面均值随弯度呈"W"形变化，有两个极小值；水平极化下两种弯折方式头向雷达散射截面均值变化趋势差异较大，上下弯折时呈"W"形变化，水平弯折时单调降低。

When packing for the valve, the valve packing section and the same space, it is best Preloading Central: When the time for the pump, valve packing and the space section (about 0.3mm-0.6mm) axis and the disk so that there is a leakage of the root space is conducive to lubrication and cooling.

当盘根用于阀门时，盘根截面和阀的空间一样，最好是预压环：当用于泵时，盘根截面和阀的空间(约0.3mm-0.6mm)使轴和盘根有一泄露间隙，有利于润滑和散热。

We also observed and measured the distance and section of some muscles such as long muscle of neck、long muscle of head、sternocleidomastoid、trapezius、longissimus、inultifidus、splenius、semispinal muscle of head、semispinal muscle of neck、anterior scalene、middle scalene 、posterior scalene et al. We achieved the moment of force and downloaded the force in the model .We also added gravity of head.

通过横截面积肌力计算法，测量尸体颈椎周围的主要肌肉：胸锁乳突肌、斜方肌、头长肌、颈长肌、肩胛提肌、夹肌、前斜角肌、中斜角肌、后斜角肌、多裂肌等的横截面积及其与颈椎纵轴的中心距数值，求得力矩值，直接或根据力矩等价公式间接的将肌力值加载于模型体表各点。

The horizontal cross sectional area of the connector is larger than that of the hub rod.

连接头的水平横截面面积大于毂柱的水平横截面面积。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。