半径

bàn jìng
  • radius;semidiameter
半径半径
半径 [bàn jìng]
  • (1) [radius]

  • (2) 从圆心或球心到圆周或球面的直线段

  • (3) 该直线段的长度

  • (4) [semidiameter]∶在观测者所在地测定的天体可见圆面所张角度的一半

半径[bàn jìng]
  1. 他标示出了一个半径大约为30英里的半圆形。

    He indicated a semicircle with a radius of about thirty miles .

  2. 我们正在测量圆的半径。

    We are measuring the radius of the circle .

  3. 也可以指一个人全部或大部分生活所在的距离范围,即“生活半径”。

    the distance within which a person lives all or most of their life .

  4. 现在,下雪就意味着我要把我可爱的鞋子收起来,要更早起床,生活半径也要缩小。

    Now snow just means putting away my cute shoes , getting up extra early , and a decreased life radius ;

  5. 经济供电半径的Fuzzy几何规划模型与优选方法

    Model of Fuzzy Geometric Programming in Economical Power Supply Radius and Optimum Seeking Method

  6. 矩形型钢弯曲回弹曲率半径r值的确定

    Determination of the Curvature Radius of Bending Resilience of Rectangular Shape Steel

  7. 几何规划和含Fuzzy系数的几何规划在城市变电所供电半径选择中的应用

    Application of Geometric Programming and Geometric Programming with Fuzzy Coefficients in Seeking Power Supply Radius of Transformer Substation

  8. 在有界闭Fuzzy数中引进了等价类、心以及主半径的概念。

    In this paper , the equivalence class center principal radius for the closed Fuzzy numbers bounded are introduced .

  9. 最小弯曲半径R在所设计的范围内变动时,钻杆通过转向器的阻力随着R的增大而减小;

    F z decreases with the increase of R when R changes in the design range ;

  10. MonteCarlo方法模拟胶体沉降过程中粒子半径的影响

    Monte Carlo simulations of the effects of particle sizes in the process of colloid deposition

  11. 对非负不可拆的大矩阵A及谱半径ρ,本文给出Person向量的一种简易求法。

    In this paper , for a large nonnegative irreducible matrix A with spectral radius ρ, we obtain a simple method to find the Person vector .

  12. 在UG平台上进行多曲面连接系统的二次开发过程中,需要由最小曲率半径值反求出桥接曲线(BridgeCurve)的两个参数。

    For the development of UG , the two parameters of bridge curve for a given minimum curvature radius should be determined .

  13. EMC效应与有效口袋半径

    The EMC Effect and the effective bag radius

  14. 建立了变电所经济供电半径优选的几何规划和Fuzzy几何规划模型,用于实际计算,获得了很好的效果。

    In this paper , the author establishes a kind of model of geometric programming and geometric programming with fuzzy coefficients in seeking power supply radius of transformer substations .

  15. 凹槽拐角的曲率半径是凹槽MOSFET一个重要的结构参数。

    The radius of the concave corner is a very important structural parameter .

  16. 结果表明,在V形弯曲中铝合金板材的弯曲回弹角随弯曲角度数的增加而减小,随相对弯曲半径的增加而增加;

    The results indicated that the springback angle decreased with increase of the bending angle and decrease of the relative bending radius .

  17. 通过有限差分法求解了焊接熔池波动频率与焊接熔池半球体半径R之间关系的数值解。

    Using the finite difference equation , the numerical solution of the relationship between the vibration frequency and radius R of hemispherical welding pool was solved .

  18. 用Zscan法测量了不同厚度、不同束腰半径碘的酒精溶液的瞬态热光非线性效应曲线。

    Thermo optical effect in different thickness and different beam radius for the alcoholic solution of iodine was measured by Z scan method .

  19. 顶圆半径Ra越小,压力角取值范围越小。

    The smaller the addendum radius of cam R a , the smaller the value range of pressure angle .

  20. 通过求解泊松方程,得到了在不同Nd离子掺杂浓度和不同泵浦光半径情况下激光晶体内的温度和温度场分布。

    The temperature distribution in the laser crystals with different Nd concentration and different pumping radii were obtained by using the Poisson equation .

  21. 用灰色理论GM(1,1)模型预测主动力装置在不同破坏半径下的生命力

    Applying the GM ( 1,1 ) model of grey theory to forecast the survivability of main power plant being damaged under different radii

  22. 小的内半径圆对称环域Josephson结中孤子行为的研究

    The behavior of soliton states in circularly symmetric annular Josephson junction with small inner radius

  23. 而这个量被叫做,Bohr,半径。

    And this quantity is termed the Bohr radius .

  24. 半径误差对OTF下降量的关系式

    Relationship Between the Decrease of OTF and the Radius Deviation

  25. LDV标定装置校准盘动态半径不确定度测量方法

    An approach for Dynamical Determination of the Rotating Disc Radius in LDV Calibration Facility

  26. 采用ANSYS编写的程序得到地源热泵换热器的温度场分布,通过对运行结果分析得出:单管换热时埋管对周围的土壤温度影响半径;

    ANSYS procedures used to prepare the ground source heat pump heat exchanger temperature distribution analysis of the results : single-tube heat exchanger pipe to the surrounding radius ;

  27. 由G代码提供的零件表面几何信息及工艺信息(丝半径和放电间隙),推导出低速走丝电火花线切割机上下导丝嘴的运动轨迹,实现上下异型切割运动轨迹的精确控制。

    The movement track of upper guide roller and lower guide roller is derived according to the geometry and technology information of the workpiece , the cutting track of abnormity is controlled exactly .

  28. MgO中离子的接触情况及Mg~(2+)离子半径的推算

    Contiguity of mg ~ ( 2 + ) ions in the MgO and the calculation of mg ~ ( 2 + ) ionic radius

  29. 接着研究了反应节点通信半径不受限条件下单反应节点任务SAT的分配机制,提出了集中式和分布式两种SAT分配机制。

    Then this thesis studies the Single-Actor Task ( SAT ) assignment with unlimited actor radius , and proposes two kinds of SAT assignment mechanism : central mechanism and distributed mechanism .

  30. X射线衍射谱和电输运特性均表明,La3+离子的掺入使得A位平均离子半径(〈rA〉)增大,导致局部晶格畸变减小。

    All the Raman spectra and resistivity results indicates that the La 3 + doping increases the average ion size of the A site , which decreases the local distortion of the lattice .