symmetry axis
英 [ˈsɪmətri ˈæksɪs]
美 [ˈsɪmətri ˈæksɪs]
网络 对称轴
双语例句
- The magnetic field in ingot inducted by coil is parallel to the symmetry axis and the magnetic flux density is nearly uniform.
搅拌线圈产生平行于对称轴的磁场，其磁感应强度在铸锭部分呈均匀分布； - The method of establishing radial support steel bars based on the symmetry axis of heads to manufacture the melon petal dies was presented.
介绍了以封头对称轴为中心沿径向设置立筋制作瓜瓣封头压制模具的过程。 - A Symmetry Axis Detected Method Based on the Minimal Value of Moment of Inertia
基于极小惯量的灰度图像对称轴检测方法 - Some strata caused by folds and uprush may tilt, TI media will turn to so-called tilted transversely isotropic media ( TTI media), for the symmetry axis of TI media is no longer horizontal or vertical.
在褶皱和上冲作用下，一些地层发生了倾斜，此时TI介质的对称轴不再水平或者垂直，就形成了所谓的TTI介质。 - In this paper, the forced rolling movement about the symmetry axis at a fixed angle of attack is numerically simulated.
采用数值模拟方法模拟了乘波飞行器在固定迎角下绕其对称轴强迫滚转运动这一过程。 - The shape of cross-section is an ellipse folded in half through one symmetry axis, and the axis keeps perpendicular with pinacoid-view.
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 vortex core radius is calculated by an easily determined characteristic parameter, i.e.The distance from the position of the maximum water-surface curvature to the vortex symmetry axis.
通过一个易于确定的特征参数-旋涡水面线最大曲率点到中轴线的距离，来间接计算涡核半径的方法。 - That is, the spatial orientation of TI symmetry axis and surveying line azimuth have an effect on body-wave velocities. The patterns of body-wave group-velocities and phase-velocities are fixed relative to TI symmetry axis and exhibit certain symmetry and repetition of azimuth variation.
研究表明，体波群速度图案和相速度图案相对TI对称轴固定，随TI对称轴倾角及其相对测线方位角的变化呈现出一定的对称性和重复性； - Transverse isotropy ( TI) with a vertical symmetry axis ( VTI) is the most common model for academic research on anisotropy and prestack imaging of multi-wave and multi-component reflection seismic data.
具有垂直对称轴的横向各向同性介质模型（VTI）是目前各向异性理论研究和多波多分量地震资料叠前成像处理中最常用的一种各向异性模型。 - The spatial orientation of TI symmetry axis and surveying line azimuth has the effect on the azimuth variation of body-wave velocities.
并且，TI对称轴的空间取向和测线方位影响速度方位变化.相对于TI对称轴，速度方位变化图案不变； - We intentionally render the rotational axis of growing crystal to deviate from the symmetry axis of the temperature field, the temperature fluctuations with sinusoidal form in meniscus are produced.
使晶体转轴与温场对称轴不一致，则在晶体弯月面内会产生随时间变化的正弦波式的温度分布。 - When the symmetry axis is tilted in the TI media, the phenomenon of S-wave splitting is clearly observed in the snaps of three components and synthetic seismograms, and the events of all kinds of waves are asymmetric.
当TI介质倾斜时，3个分量上均能够观测到横波分裂现象，而且各波形的同相轴变得不对称。 - In this paper, seismic inversion of elastic parameters in horizontally layered VTI ( transverse isotropy media with vertical symmetry axis) is well studied, on the basis of seismic wave kinematics theories in transverse isotropic media with vertical symmetry axis.
根据地震波在具有垂直对称轴的横向各向同性（VTI）介质中的运动学特征，应用传播时间反演方法，进行了水平层状VTI介质的地层弹性参数反演方法研究。 - A method to determine the symmetry axis based on interim principle axis is presented in this paper.
本文给出了基于转动惯量主轴确定轴对称物体对称轴的方法。 - In this paper, according to the characteristics of seismic wave in VTI ( Transverse isotropy media with vertical symmetry axis) media, we calculate the travel time of seismic wave in VTI, and synthesize the reflective seismic wave record by using ray trace method.
本文根据VTI（具有垂直对称轴的横向各向同性）介质中地震波的运动学特征，应用射线追踪方法，计算了VTI介质中的地震波的旅行时，并合成了反射波地震记录。 - Electromagnetic Radiation Field of Evenly-charged Thin Disk Rotating Around Its Symmetry Axis
绕对称轴转动的均匀带电薄圆盘的电磁辐射场 - To overcome the shortage of normal elastic wave forward modeling result, the numerical solution of quasi-P wave equations in transversely isotropic media with a vertical symmetry axis ( VTI) was studied.
为克服常规弹性波动方程正演结果的局限，研究了具有垂直对称轴的横向各向同性（VTI）介质中准P波方程的数值解法。 - We studied that the transfer matrix ABCD theorem for the passage of paraxial rays or the optical system possessing a rotational symmetry axis can be generalized for the skew rays propagated off-axis, whether the optical system possessing rotational symmetry axis or not.
本文推广了几何光学近轴光线传输的ABCD定理，使之适用于远离光轴的空间光线的传输，无论光学系统是旋转对称的还是非旋转对称的。 - Body-wave velocity characteristic depends just on the angle between the propagation direction and the symmetry axis.
速度特征只依赖于传播矢量与对称轴的夹角。 - The principle component analysis and face bray center are used to detect the symmetry axis, and the valley method is applied to detect and verify the eye candidates.
首先利用主分量分析法和人脸重心确定人脸对称轴，再结合山谷法进行眼睛候选点的提取和验证。 - The result shows that patterns of body-wave velocity are fixed relative to the symmetry axis, and these fixed patterns are closely related to Thomsen's anisotropic parameters.
研究结果表明，ATI介质中体波速度随传播方向变化的速度图案相对TI对称轴确定，此确定的速度图案与TI的Thomsen参数相关； - A Definiteness and an Expansion of the Theorems of a Symmetry Axis in Graph Theory of Molecular Orbitals(ⅰ) The Factorization Theorems of Eigen Polynomial
分子轨道图形理论中对称轴定理的明确和扩展&（Ⅰ）本征多项式分解定理 - The warhead is one of the most important parts of a missile. Symmetry axis is an important geometric specificity of it which affects the hit precision of a missile; therefore it is significant to study measuring techniques of symmetry axis.
导弹弹头是导弹的最重要的部件之一，而形心轴线作为其重要几何特征量，影响着导弹的命中精度，因此对于形心轴线测量方法的研究具有实际意义和应用价值。 - When the center of the lapping tool in the symmetry axis up ( down), according to a certain law the radius of the lapping tool will elongation ( shorten). Then, achieve its point-to-point processing.
当磨具中心在对称轴上向上（下）移动时，磨具半径按一定规律作相应的伸长（缩短），即可实现对其母线的逐点加工。 - The same problems also exist in the pile groups, and the direction of unidirectional horizontal loading is along the symmetry axis of the pile level layout.
对于群桩的研究也存在同样的问题，并且水平单向荷载的作用方向一般沿着群桩水平布置的对称轴方向。 - For case of samples with cylindrical symmetry, the analytic expressions of velocities of plane waves propagating along and perpendicular to the symmetry axis are derived, and compared with the available experimental data.
给出了圆柱对称时，沿对称轴方向和垂直对称轴方向传播的平面波速度的解析表达式，并与现有的实验测量结果进行了比较讨论。 - The texture mapping method is based on photogrammetry and constrained parameters, using the feature which is the moment of inertia that the symmetry of the rigid body has a minimum in dynamics, finding the symmetry axis of the three-dimensional model.
该方法在摄影测量学和约束参数纹理映射方法的基础上，利用动力学中轴对称的刚体对于其对称轴的转动惯量取得极小值的特性，确定三维模型待映射区域的对称面。 - The warheads of medium-long range missiles have some features such as special contour, large size and heavy weight, etc., thus, the measurement of symmetry axis is a kind of large-scale measurement.
中远程导弹弹头具有外形特殊，尺寸和重量都很大等特点，其形心轴线的测量属于大尺寸几何测量。 - The simulation experiments show that the algorithm can detect the symmetry axis of target object, and the accuracy of detection depends on the local properties of geometric object.
对不同标记曲线数值化过程进行研究，利用标记曲线通过数学建模对儿何对象进行对称检测，仿真实验结果表明该算法能够检测出目标对称轴，检测的准确性取决于几何对象的局部性质。