对称面

duì chèn miàn
  • plane of symmetry
对称面对称面
  1. 对称面处,冻结壁以上和以下的地层中竖向位移随深度增加而增大,而在冻结壁范围内随深度增加而减小。

    At the plane of symmetry , the vertical displacements increase with the depth 's increasing in the earth outside the frozen wall while decrease inside .

  2. 半球体一个对称的、近似球体的物体的一半,如被对称面分开者东半球沙锥鸟,体大、色深。

    A half of a symmetrical , approximately spherical object as divided by a plane of symmetry . Old World snipe larger and darker than the whole snipe .

  3. 关于分子中垂直对称面(σv,σd)的定义及分类问题的探讨

    The definition and classification problems of the vertical symmetry planes in the molecules

  4. 每一个对称面都通过N原子和一个H原子,且平分其他二个H原子连线。

    Each plane passes through the N atom and one of the H atoms , and bisects the line connecting the other two H atoms .

  5. 对称面上的应力结构可由平面应变FEM解或HRR场解经应力三维度修正获得;

    The stresses in the midsection can be obtained by the plane strain FEM results or HRR structure modified by the stress triaxiality .

  6. 在人脸任意位置下,利用PCA自动确定人脸纵方向,采用网格配准方法提取对称面和对称轮廓线;

    The vertical direction of face is determined by the PCA at the random pose . Based on surface registration , the symmetrical surface and symmetrical profile are extracted .

  7. 我们对两种不同直径的S型血管进行了有限元模拟计算,得到三种结果:在对称面内不同时刻的轴向速度vφ和径向速度vr的合成矢量;

    Three kinds of results are obtained by simulation calculating the two models : the composed vector diagrams of the axial velocity ( v ) and the radial velocity ( vr ) at the different times in the symmetry section ;

  8. 从基态1A′到激发态3A′的跃迁矩平行于对称面,同时平行于C-Br键;

    The transitions to the 3A ′ state is polarized parallel to the symmetry plane , and also parallel to the C-Br bond .

  9. 以有限元分析软件DEFORM3D为背景,介绍一种利用对称面上的结点计算环件圆度的方法。

    Based on FEM software DEFORM 3D , a method for calculating roundness of ring parts by nodes on symmetrical faces was introduced .

  10. 采用了RNGk-ε紊流模型和贴体坐标对截止阀对称面和三维流场进行了模拟,同时用粒子成像流速仪(PIV)对弯型截止阀对称面模型的测试结果和数值模拟结果进行了验证。

    The RNG k - ε turbulence model has been applied to simulate turbulent flows in symmetrical planes and in three dimensions of curved inlet cut-off valves , and its performance is compared to the results measured by a particle image velocimetry ( PIV ) in the experiments .

  11. 内压弯管受对称面外弯曲时的棘轮应变有限元分析

    Ratcheting analysis of pressurized elbow subjected to out-of-plane symmetric bending with FEM

  12. 结构对称面上约束处理的研究

    A Study of the Handling of the Constraint on the Structural Symmetrical Section

  13. 任意旋转对称面共形阵互耦的分析

    Analysis of mutual coupling of conformal arrays on arbitrary surfaces with revolutional symmetry

  14. 对称面圆周角对轴对称降落伞流场特性的影响

    Influence of circular angle in symmetric plane to the flowfield characteristics of an axisymmetric parachute

  15. 磁场诱发马氏体惯习面与冷却形成的马氏体相同,均为(225),对于蝶状马氏体发现了一种新的对称面(110)。

    The habit of magnetic field-induced martensites is the same as that of thermally-induced one .

  16. 自旋空间的对称面

    On Symmetry Plan of Electron Spin Space

  17. 对于对称面数据不完整的缺损颅骨,采用网格破洞填充的修复方法。

    This paper uses hole-filling methods for repairing defective skulls whose symmetry side data are half-baked .

  18. 流动关于对称面对称,在对称面上不存在轴向速度;

    The flow is ( symmetric ) and there is no axial velocity on the symmetric plane ;

  19. 两回转二次曲面轴线平行时相贯线在对称面上投影特殊点位置的确定

    The Graphic Method of Determining the Projective Position of Special Points of Intersecting Lines on a Symmetrical Surface

  20. 在反求工程中,对称面提取对于点云的几何模型重建具有重要意义。

    Symmetry plane extraction is very important to the geometric model reconstruction of an object in reverse engineering .

  21. 轴颈在轴向对称面上的周向压力曲线存在一个主压力峰和数个很小的独立压力峰。

    There are one main pressure peak and some other small separate pressure peak on the shaft neck surface .

  22. 本文给出分布在轴对称面元上的奇点在无界域中的诱导速度势和诱导速度计算公式,奇点分布强度在轴向和径向采用高斯分点离散,周向采用富氏级数离散。

    The algorithms for calculating induced potentials and velocities dee to distributed singularity on an axisymmetric element are presented .

  23. 如果导弹有两个对称面,则使用相同的自动驾驶仪控制俯仰和偏航运动。

    Identical autopilots are used to control the pitch and yaw motions if the missile has two planes of symmetry .

  24. 椭球体有攻角绕流对称面上三维湍流边界层的数值计算

    Numerical Calculation of Three-Dimensional Turbulent Boundary Layers on the Symmetry Plane Surface of Flow around a Body of Ellipsoid at Incidence

  25. 对模拟结果的对称面变形的情况分析论证了模型简化的合理性和正确性。

    The analysis of simulated result of the deformation of symmetrical plane proved that the simplified model is reasonable and feasible .

  26. 计算了喷嘴中心线和出口的速度和动压分布、对称面和出口的湍动能分布。

    The velocity and dynamic pressure distribution of the centerline and outlet , turbulent kinetic energy of the symmetry plane and outlet were computed .

  27. 本文讨论工程中常见的相贯式高压孔腔缸体的强度问题.分析了应力分布的一般规律,指出了相贯孔对称面角点应力集中的严重性。

    This paper deals with the problem of the strength of pressurized bore intersections in the high pressure cylinder-body that is common in engineering .

  28. 方法在双高斯1:1制版镜头的对称面上形成物面的夫朗和费衍射,并使物面与茶形散斑屏重合,使得各物点均以狭缝状的光束通过透镜组在记录介质面成像。

    Methods On the symmetrical plane of the double-Gauss lens with 1:1 magnification , the Fraunhofer diffraction of the object surface could be formed .

  29. 获得了4种流量比情况下射流泵对称面流场的速度矢量和轴心速度分布。

    As a result , the distribution of velocity vector and axial velocity on the symmetrical flow field was obtained under four flow-rate ratios .

  30. 作为特例,也可以从上述公式得到该梁在具有纵向对称面,且载荷作用在该平面内时的相应公式。

    To verify the theory , these stress formulae are simplified to those for the beams with longitudinal symmetrical plane and loaded in the plane .