椭圆

tuǒ yuán
  • elliptic;ellipse;oval;ellipsoid;oval-shaped
椭圆椭圆
椭圆 [tuǒ yuán]
  • [ellipse;elliptic] 一种规则的卵形线;特指平面两定点(焦点)的距离之和为一常数的所有点的轨迹

椭圆[tuǒ yuán]
  1. 考德威尔建议椭圆脸的人这一季选择猫眼太阳镜或经典的徒步旅行者太阳镜。

    Caldwell loves the cat-eye or classic wayfarer style for an oval face this season .

  2. 在这个图中,外面的蓝色椭圆表示一个DB2数据库服务器。

    The blue outer oval in the diagram represents a DB2 database server .

  3. 用两把小匙将奶酪混合物塑成圆球或椭圆球形状。

    Using 2 spoons , mould the cheese mixture into small balls or ovals

  4. 路透社:欧洲法院裁定,香奈儿在与华为的商标纠纷中败诉这起纠纷始于2017年,当时华为曾向欧盟知识产权局申请,为其计算机硬件注册商标,图案为两个在垂直方向互联的半椭圆。

    The dispute dated to 2017 when Huawei sought approval from the EU Intellectual Property Office ( EUIPO ) , a trademark body , to register its computer hardware trademark which has two vertical interlocking semi-circles .

  5. 一类含P拉普拉斯算子的非线性椭圆边值问题解的存在性

    The Existence of a Solution of Nonlinear Elliptic Boundary Value Problems Involving the P-Laplacian Operator

  6. 凸区域上椭圆方程弱解的边界唯一延拓性和Bp权特性

    The Boundary Unique Continuation and B_p Weight Properties for the Weak Solutions of Elliptic Equations in Convex Domains

  7. 椭圆波导中的cE01模

    The _cE_ ( 01 ) Mode in Elliptic Waveguide

  8. 根据导出的方程组,进一步开发了可适用于任意椭圆度的椭圆波导FEM放大器三维非线性数值模拟程序。

    Based on these equations , simulation program suitable for elliptical waveguide FEM amplifier is developed .

  9. 基于SolidworksAPI的椭圆齿轮参数化设计及加工仿真

    Parametrical Design and Machining Simulation of Elliptical Gear Based on SolidWorks API

  10. 中凸变椭圆活塞靠模数控加工编程系统用C语言设计,为模块化结构。

    A Programing system for a numerically controlled copy machine of barrel , variable-ellipse pistons is programed with C language and adopts a modular structure .

  11. LD泵浦准三能级系统泵浦光强椭圆分布的影响

    Influence of Ellipticity of Pump Light in LD Pumped Quasi-three - level System

  12. 最后讨论了P波和SV波对圆孔和椭圆孔的散射而引起的动应力集中。

    Finally examples of P wave and SV wave scatter against circular hole and ellipse hole are discussed .

  13. 用反射式动态椭圆偏振光谱技术对Cu块材、Cu薄膜及Cu厚膜的光学常数进行了测试分析。

    The optical constants of Cu bulk and sputtering Cu films were studied in details by employing a reflecting spectroscopic ellipsometer .

  14. 参数可选的高速椭圆曲线密码专用芯片的VLSI实现

    VLSI implementation of parameters selectable high-speed elliptic curve cryptosystems

  15. 同时也对椭圆曲线群的阶的计算算法SEA、素数判定算法进行了分析、比较研究。

    At the same time the exponent of the calculation algorithm of the elliptic curve group and the determinant of prime were done analysis and comparing research .

  16. 强椭圆方程组Dirichlet问题解之Galerkin逼近

    Galerkin approximation for the solutions of Dirichlet Problems for strongly elliptic systems

  17. 椭圆曲线密码体制(EllipticCurveCryptosystem)是迄今为止每比特具有最高安全强度的密码体制。

    So far , the Elliptic Curve Cryptosystem ( ECC ) provides the highest strength per bit of any cryptosystem known .

  18. 椭圆孔边裂纹对SH波的散射及其动应力强度因子

    Scattering of SH-Wave by Cracks Originating at an Elliptic Hole and Dynamic Stress Intensity Factor

  19. 发展了Miles定理和Howard半圆定理;得到了有限深度气层的半椭圆定理。

    Improved Miles theorem and Howard 's semicircle theorem , as well as semi ellipse theorem have been established .

  20. Boussinesq方程的Jacobi椭圆函数精确解

    Exact solutions of jacobi elliptic function for boussinesq equation

  21. 以椭圆板域求解为示例,分析了偏心率e和面积对基波频率系数的影响。

    Finally , an ellipse elastic clamped-plate is used as an example to analyze the effects on fundamental frequency coefficient caused by eccentric ratio e and area size .

  22. 椭圆表示服务(取自UML用例图标),而线条则是控制和消息的流(同上)。

    The ellipses indicate services ( taken from the UML use-case icon ) and the lines are flow of control and messages ( roughly ) .

  23. 计算椭圆曲线密码体制中的KP算法

    Algorithm for Compute KP in Elliptic Curve Cryptography

  24. 用非标准Galerkin方法对奇异二维二阶椭圆方程进行研究,给出加权模估计。

    The weighted - norm error estimate with nonstandard Galerkin method for a two-dimensional singular elliptic equations of Second order .

  25. 作者采用这种方法,对大椭圆度的球形马克(Spheromak)中的倾斜模(TiltingMode)不稳定性进行了研究。

    An application is made to the problem of the tilting mode instability for spheromak without restriction in ellipticity .

  26. 雅可比椭圆函数在大气和海洋动力学中的应用:二维非线性Rossby波研究

    Application of Jacobi elliptic functions in the atmospheric and oceanic dynamics : studies on two-dimensional nonlinear Rossby waves

  27. 作者在用摄影法进行坚直椭圆管内降膜波动实验研究时证实,当Re<400时,降膜内确实存在孤立波;R(?)

    Using the photographic method , authors confirmed experimentally the existence of solitary waves in the falling film inside a vertical elliptical pipe while Re number was below 400 . There were stochastic waves for Re (?)

  28. 应用掠射式椭圆偏振技术(掠射椭偏术)和循环伏安法对以泡沫镍为基体的表面镀锌电极在碱性电解质(KOH)中的电化学行为进行了研究。

    Electrochemical performance of zinc-plated foam nickel electrode in alkaline solution ( KOH ) was stu-died by grazing ellipsometry and cyclic voltammetry .

  29. 另外,反射光束不仅在椭圆偏振态入射的情况下会产生横向位移,而且在TE和TM偏振态之外的其他线偏振态入射时,也会产生横向位移。

    Besides , whether the incident beam is elliptically polarized or linearly polarized ( with polarization state other than TE or TM ), the reflected beam will exhibit a transverse shift .

  30. 重点分析了3G认证与密钥分配协议及其安全性,找出了其中的安全漏洞,提出了新的基于椭圆曲线密码体制的认证与密钥分配协议。

    Finally , the author stress analyzing the 3G authentication , key agreement protocol and its security , finding the security hole and putting forward new authentication and key agreement protocol based on ECC .