针对工程结构中广泛应用的变截面构件，提出了一个变截面平面梁单元，推导了其单元刚度矩阵和等效节点荷载公式。
A nonuniform beam finite element is presented and the element stiffness matrix and equivalent joint load are derived to analyse nonuniform members used increasingly in engineering structures.
抛物面一种有与单坐标轴平行的抛物截面和与该轴垂直的椭圆截面的平面。
A surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis.
简单而巧妙的设计使自由流畅的平面和截面成为可能，在炎热的夏天允许自然光的照射而不会过热。
Simple and yet clever design moves enable a free-flowing plan and section which allow an abundance of natural light without overheating during the hot summer days.
门式刚架的中柱设计中，常因为平面外计算长度较大，所选实腹式截面无法满足平面外稳定验算，从而导致用钢量增加。
In the mid-column design of gabled frames, the selected solid web section, isn t satisfied by in-plane stability checking because of the biggish out-plane effective length.
把隐函数的优势应用到数控加工编程中，即对于截面法的数控加工，求出刀具切削平面与隐函数曲面的加工轨迹，再用正负法绘制刀具轨迹曲线。
For NC machining of plane section method, the machining path of tool cutting plane and implicit surface can be found, and the curve of the tool path is drawn by the positive-negative method.
从结构的几何非线性分析着手，研究截面为三角形的空间格构式斜腿刚架的平面内整体稳定。
Based on the geometric non-linear analysis, the in-plane global stability of Space Lattice Tilted Column Frame of Triangle Section(SLTCF)is studied.
介绍了弹性力学平面问题中斜截面上应力的正负规定的重要性及其对该规定的论证；
In this paper the importance of stress positive-negative regularity on tilt section in plane problem of mechanics of elasticity is introduced and the regularity is proved.
生成模型的步骤包括：横截面定义、平面设计、立面设计、单元生成。
The steps for establishing model include cross section definition, plan design, elevation design and element generation.
该分子具有大的TPA截面是起源于该分子的刚性平面共轭结构所固有的线性吸收特性和TPA共振增强；
The large TPA cross section may result from the intensive linear absorbance of the molecule due to its conjugate rigid plane structure, and the two-photon resonance excitation condition.
讨论圆截面弹性细杆在黏性介质中的平面振动。
The planar vibration of a thin elastic rod with circular cross section in viscous medium is discussed.
对于变截面支腿，用力法计算平面框架内力时要先计算折算惯性矩。
For supporting leg with varying cross section, it is necessary to calculate equivalent inertia moment prior to calculating internal force of plane frames.
经过CCD摄像机像面和光切平面之间的空间映射变换及图象处理后，可一次获得被测物的某一个截面的二维轮廓信息。
D figure information of any section was also attained after spatial mapping transformation between CCD image plane and light-section plane.
由于曲率的影响，曲线梁在其曲率平面内弯曲时的中性轴不通过横截面的形心。因此弯矩在形心处要引起正应力，从而引出所谓“等效轴力”的概念。
When a curved beam is bending in the plane of the curvature, the neutral axis of cross section is not identical with the axis of gravity due to the influence of the initial curvature.
介绍了系统开发的关键技术：模型简化、节点划分、平面图形截面特性的计算、强度计算的算法及分析结果的输出形式。
The key techniques such as model simplification, node division, section feature calculation, strength calculation method and result output format are introduced.
矩形截面的平面曲梁理论探索的弯曲和扭转耦合振动特性。
The plane curved beam theory with rectangular section is employed to explore the bending and twisting coupling vibration characteristics.
采用快速多极子方法计算无限大导体平面上凹槽的雷达散射截面。
The fast multipole method is applied for calculating the radar cross section of a groove in a perfectly conducting plane.
我也喜欢将平面图和立面图与截面图联系在一起，这样人们更容易看出它们之间的关系。
I also like to combine floor plans with elevations and sections so that the viewer can better see the relationship between them.
通道横截面为规则或不规则平面多边形，因而比表面积大、传质效率高。
The cross section of the passage is a regular or irregular plane polygon, and then the specific surface area is large and the mass transfer efficiency is high.
断面形状为沿对称轴对折的椭圆，此对称轴始终垂直于轴截面，其方向与平面图上的流道中线无关。
The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.
介绍了一种用剪力图和弯矩图求平面平行弦桁架内力的关系式，并利用截面法给出了相应的证明。
By means of the shear-diagram and the bending-diagram, the expressions of the internal forces in the members of the truss are introduced and demonstrated by the cross-section method in this paper.
用这种方法可以计算等截面和变截面二维(平面的和轴对称的)可压缩紊流射流掺混的流场分布。
In this way, parameters distribution of two dimensional compressible (Plane and axisymmetric) turbulent jets mixing flow field can be calculated.
本文在平面截面的假定下，以幂次自模拟解为基础，提出了高超音速气流绕一般细长（辶回）转体流动的普遍线性化理论。
On the basis of a self-similar solution as well as of the assumption, of the "Transverse Motion", a general linear theory on hypersonic flow over a general slender body is set up in this paper.
为了提高飞行器的隐身性能和降低其迎风阻力，采用具有平面腹部的低雷达截面外形机身与埋入式进气道的组合是一种良好的解决方案。
In order to enhance the stealthy ability and reduce the drag of an aircraft, the combination of the stealthy fuselage of plane abdomen with a submerged inlet is a good approach.
通过对等效照明面积的分析，给出了能计算任意平面形状、有遮挡效应的二面角反射器后向雷达散射截面的工程方法。
Through the analysis of EIA, a modified computational method is given, which can analyze a dihedral corner reflector with arbitrary shape of planes and with shadow objects.
采用横截面上光强的精确表述，分析了单色平面波微小圆孔衍射后，其衍射光束的传输特性。
Based on the accurate expression of light intensity at transverse plane, the propagation characteristics of monochromatic planar wave diffracted by small circular aperture are analyzed in this paper.
最后，进行了控制方截面管中(0,0)次波(平面波)和(1,0)次波的实验。
At last, the experiments are carried out for active control of (0, 0) mode and (1, 0) mode in the square duct.
通过叶栅平面流场的绕流计算，确定了叶栅三个设计截面上的叶片型线。
Through the analysis of the flow field, the blade profiles of 3 design sections are worked out.
采用统计分析方法，通过平面气孔分布的二阶特性、气孔最邻近距离分布等分析了藕状多孔镁横截面上气孔的分布，结果表明气孔呈近程有序排列。
The spatial distribution of pores on cross section of lotus-type porous magnesium has been studied with second-order characteristics, nearest-neighbour distribution, etc.
采用统计分析方法，通过平面气孔分布的二阶特性、气孔最邻近距离分布等分析了藕状多孔镁横截面上气孔的分布，结果表明气孔呈近程有序排列。
The spatial distribution of pores on cross section of lotus-type porous magnesium has been studied with second-order characteristics, nearest-neighbour distribution, etc.
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