This paper analyzes the causes and treatment of the torsional displacement and plane rotational displacement of curved continuous concrete beam bridge basing on an engineering example.
通过一个混凝土弯连续梁桥梁体出现较大扭转位移与平面转动位移的工程实例，分析其出现的原因及处理措施。
This paper mainly analyses two scheme designs of focusing system by using the conjugate relation between pupil plane and image plane in Gauss beam.
文章应用高斯光束的瞳平面和像平面的共扼关系，分析激光聚焦系统的两种总体方案的设计。
Optical coupling and transmission performing with optic fiber and fiber optic face plate, a new sector beam linear array scanning X-ray detector technique based on plane array CCD devices is proposed.
提出了一种基于面阵CCD器件，采用光纤和光纤面板进行光耦合及传输的扇形束线阵扫描X射线新型探测器技术。
By using the hypothesis of the deformation of the straight bar and beam in mechanics of materials, a new engineering calculating model for a linear inclusion in plane is presented.
使用材料力学的直杆和梁的变形假定，对平面线夹杂问题提出一种新的工程计算模型。
The basic principle and method making use of Hartmann shack method to calibrate plane beam is derived in this paper. Some experiments are also done to calibrate input beam.
经推导给出了用哈特曼-夏克法标定平面光束的基本原理及其方法，并根据该原理作了标定平面光束的实验。
Our calculations show that the Bessel-Gauss beam can be produced in the focused plane of the ring apertured Gaussian beam, this method is efficient and simple.
本文通过计算指出环状分布的光束经透镜后可在焦平面产生适用于激光打孔的贝塞尔·高斯光束，这是一种高效、简单实用的方法。
Beam cross section and momentum spectra have been measured on the focal plane.
测量了聚焦面上的束流截面和动量谱。
Structural elements contain bar, plane beam, space beam, triangular and rectangular plates with membrane stresses, rectangular plate element with bending deformations.
结构元素包括杆元、平面梁元、空间梁元、平面三角板元、平面矩形板元和弯曲矩形板元等。
A method of determining the highness of an ideal object by beam scanning in the vertical plane and amplitude comparison.
提出了一种采用波束扫描与多波束目标幅度比较相结合实现目标高度测定的方法。
Plane-parallel and spherical laser resonators with two internal lenses are analyzed, applying beam transformation theory.
用光束传输理论分析了腔内具有两个透镜的平面和球面谐振腔。
Let the spindle system of a kind of plane grinding machine be simplified to a structure of coupled double-elastic beam and using modality synthetic method to establish its dynamic model.
将一类平面磨床主轴系统简化为耦合双弹性梁结构，用模态综合法建立其动力学模型。
Thirdly, the fog attenuation for Gauss beam propagation is discussed, and the computational results are compared with those with plane wave incidence.
对高斯波束在雾中的衰减进行了讨论，并将数值计算结果与平面波结果进行了对比。
We study the beam paths in uniaxial crystal with arbitarily oriented optical axis in general conditions, by it′s plane and ellipsoid of refraction index and Fresnel law.
从菲涅耳定律出发，利用单轴晶的折射率面和光率体，讨论了在一般情况下单轴晶内部的光路问题。
A scan field distortion correction function fore-beam exposure system is deduced on the basis of the plane field alternation principle, and a simulative fruit is given by computer.
根据平面区域变换的原理，导出电子束曝光机扫描场的畸变校正函数，并给出计算机模拟校正的结果。
Based on theory of composite rock beam, a function and a formula for stratification plane gliding was deducted.
根据复合岩梁理论，推出了开采沉陷中层面滑移函数和层面滑移判断式。
The laser beam passing through the focusing systems gets an facula, which consists of main spot and sidelobe on the focus plane.
由于光的衍射作用，使通过聚焦系统的激光束入射到特定靶面成一光斑（主光斑） ，而在主光斑以外还有次级光斑圈（旁瓣）。
The relations between pump absorption losses and the waveguide cavity configuration parameters are calculated based on the Gaussian beam transformation in the plane-parallel resonator.
通过高斯光束在乎面平行腔中往返变换，计算了光泵远红外波导激光器中泵浦吸收、损耗与波导谐振腔结构参数的关系。
It has been successfully applied to solve the problems of truss structure system, axial vibration system, rotor system and plane beam system etc.
实现了对杆单元的轴向振动系统、析架系统，平面梁单元的转子系统等上述两类问题的求解。
This paper presents a study of linear stability in plane of cable-arch structure by using finite element approach with beam and cable elements.
本文应用有限单元法对索-拱杂交结构平面内线性稳定性研究。
Secondly, the equivalent plane truss element analysis program of plane stress problem is worked out, by which cantilever beam, simple beam and perforated wall are analyzed.
其次，编制了平面应力问题等效铰结平面桁架单元有限元法分析计算机程序。
A new method for measuring the spectral diffraction efficiency of plane grating with double-beam and single detector is suggested.
本文提出了一种双光束检测器测试平面光栅衍射效率的新方法。
The results indicate that flat-top beam shaping and single-circle beam shaping at the focal plane can all be realized by using three-zone annular phase pupil filters.
模拟结果表明，利用三环相位光瞳滤波器，不仅可以在焦面上实现光强的平顶分布，而且还可以得到单环衍射光束。
When box beam is bent, the assumption that the section is plane is not satisfied and the shear lag is produced.
箱形梁弯曲时，平截面假定已不能满足要求，产生剪力滞效应。
This sensor featuring plane-convex lens collimator for expanding beam and coupling, and a low frequency for light pulse modulation is introduced.
利用平-凸透镜准直器作扩束耦合光学系统，采用低频斩光器实现光调制。
After the focal plane, the focused hollow beam propagated according to a constant Angle of divergence, the DSS become larger, and the intensity become weaker.
经过焦点后，这一聚焦中空光束将以一定的角度发散，它的DSS会变得越来越大，光强度变得越来越弱。
A beam or a column often supports other members which participate in the buckling action, and significantly influence its in-plane stability and out-of-plane stability.
梁或柱为其连接的其他构件提供支撑，同时，与梁或柱相连接的构件也为梁或柱提供约束作用。这些约束作用极大地影响着梁或柱的平面内稳定和平面外稳定。
The plane curved beam theory with rectangular section is employed to explore the bending and twisting coupling vibration characteristics.
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。
Firstly, the links of the plane five-bar linkage mechanism is simulated by beam element, the mass matrix, stiffness matrix of linkage mechanism and elastic dynamic model of system are established.
首先对弹性五杆机构进行有限元分析，通过机构梁单元节点位移间的关系，建立起弹性五杆机构单元质量矩阵与刚度矩阵以及弹性动力学模型。
The device is a fulcrum structure which can carry out three-dimensional position adjustment of a steel box girder and guarantee a beam segment to move freely in a plane.
该装 置既能进行钢箱梁三向位置调整，又能保证梁段在平面内自 由滑动的支点结构。
The half-shade Polarization prism is an important de- vice for determining and measuring accurately the azimuth of a beam of Plane Polarized light.
半阴偏振镜是精确确定和测量平面偏振光的偏振方位的重要器件。
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