对称平面

具有公共对称平面的二次曲面的交线在该平面上的投影为二次曲线。

It is known that the projection of the intersection of quadrics with common plane of symmetry on this plane is a curve of second order .

薄板（10）在内表面（12）有一个树脂体和一个凹槽（13），位于对称平面内。

The lamellae ( 10 ) have a resin body and a recess ( 13 ) in the inner surface ( 12 ), in the plane of symmetry .

装置可用以测量至少有一个对称平面目标的H面复RCS。

The measurements of RCS is restricted to the targets with at least one plane of symmetry and to H plane pattern .

D4对称平面排列映射广义充满Julia集

Ceneral Filled-in Julia Sets from Plane Tiling Mapping with D4 Symmetry

MVM材料轴对称平面应力问题的弹塑性解

Elastic-Plastic Solution for an Axisymmetric Plane Stress Problem in MVM Material

如果空间存在1个反射对称平面，该2N×2N复矩阵可约化为1对互为共轭N×N复矩阵或1个2N×2N实矩阵；

If there exists one reflection symmetrical plane , this 2N × 2N complex matrix can be reduced to a pair of conjugate N × N complex matrices or one 2N × 2N real matrix .

结果表明，吸附后表面原子趋向于理想位置，碱金属原子位于垂直于表面沿[001]方向横跨表面Ga原子的对称平面上。

The results indicate that the surface atoms tend to the ideal configuration after adsorption , and the alkali atom lies at the symmetric plane perpendicular to the surface and crossing the surface Ga atoms along the [ 001 ] direction .

基于轴对称平面应变条件，推导了缠绕FRP加固承受内压的损伤金属管线的环向应力计算公式，并提出了预应力FRP加固损伤金属管线的思路。

Based on the assumption of axis-symmetrical plane strain , the calculating formulas for the hoop stress were derived for the metallic pipelines under internal pressure strengthened by circumferential winding FRP . The use of prestressed FRP for metallic pipelines repair was proposed .

用5层非对称平面波导理论和等效折射率法（ERIM）分析了金属电极对聚合物脊形光波导横向模式特性及其传输损耗的影响。

By using the theory of the five asymmetry planar waveguide and the effective refractive index method ( ERIM ), the mode characteristics and propagation loss of the optical ridge waveguide , which is covered by the upper and lower electrodes , were analyzed .

金属包层对称平面单轴晶体波导的模式场（Ⅱ）

Model fields in a symmetric metal-clad planar uniaxial crystal waveguide (ⅱ)

粘塑性介质轴对称平面应变状态流变分析

Rheological analysis of the visco-plastic mediums in axisymmetric plane statin state

轴对称平面应力大塑性变形问题的解析解

Analytical Solution to Large Plastic Deformation of Axisymmetric Plain Stress Problems

只存在一个对称平面的原子核系统的描述

Descriptions for Nuclear System with Only One Geometrical Symmetry Plane

对称平面结构模态参数识别的一种简单实验方法

The Simple Experimental Method for Modal Parameters Identification of Symmetrical Plane Structures

关于具有公共对称平面的二次回转曲面交线的投影分析

Analyzing projection about Intersecting Line of Second Camber Having Common Symmetrical Surface

粘弹性轴对称平面问题的动态响应

Dynamic response of axisymmetric plane problem for a viscoelastic medium

具有对称平面二极磁铁的二级近似束流光学

The second order beam optics of a dipole magnet with a symmetry plane

有公共对称平面的回转面交线分析及计算机绘图

The analysis and CAD of rotative surface 's intersects with common symmetric plane

中心对称平面三连杆的同步运动

Synchronous Motion of Center Symmetry Plane Three Connecting Rod

轴对称平面应力问题的塑性解及其在板料冲压中的应用

An analysis for axisymmetric plane stress problem and its application to sheet metal forming process

三维模型对称平面重建的特征匹配方法

Reconstructing Symmetry Plane by Feature Matching

对于晶体光轴平行于波导界面的结构，讨论了光在金属包层对称平面单轴晶体波导（波导层是单轴晶体，两个波导界面均为金属）内的传输特性。

We discuss the propagation characteristics of the optical field in a symmetric metal clad planar uniaxial crystal waveguide .

推出具有对称平面二极磁铁产生磁场矢位A的表达式。

This paper gives the expression of the vector potential produced by a dipole magnet with a symmetry plane .

二次锥面上垂直于对称平面的截平面的图解定位

A Graphical Method about Finding the Position of the Sectional Plane Perpendicular to the Symmetry Plane of a Quadric Cone

还进一步研究了在轴对称平面应变基础上并考虑轴向应变的弹性动力学问题。

The elastodynamic problems of the orthotropic hollow cylinders for the case that the axial strain is considered are also investigated .

描述了一种180°消色差等时性磁偏转系统，它由4个具有中心对称平面的二极磁铁构成。

A doubly achromatic isochronous 180 ° deflection system is described . It consists of four dipoles with a middle symmetric plane .

本文对流体双折射方法做了简单的回顾。用位相差积分理论导出了具有对称平面双折射介质所适用的公式。

The formulas which can be used for birefringent medium with a symmetric plane are derived by means of phase retard integration .

可以把这些思想应用于柱球形胞元等问题的细观分析中。论文分析了两种工程常见的力学问题：轴对称平面应力问题和球形孔洞膨胀问题。

These thoughts can be applied to cylindrical voids . Subsequently , the paper solves two common problems : axisymmetric plane-stress problem and spherical cavity expansion problem .

该曲线在平行其公共对称平面的投影面上的投影（下称正面投影）一般是双曲线，且多用找点法求出。

Generally , the projection of the curve which projects on the plane parallel to its common symmetry plane is hyperbola , and it 's plotted by finding nodes .

本文描述了用简单的通用激振器和测量仪器测量对称平面结构模态参数的原理和方法。

This paper describes the principle and method , by which the modal parameters of symmetrical plane structures can be measured by means of ganeral simple exciters and measurement instruments .