radius vector

1. The radius vector of each solid is always a positive length.
   每个立体的矢径总是正值长度。
2. We have a sphere of radius a.I have my vector field.
   先作出半径为a的球面，再画出给定的向量场。
3. In this paper, for a large nonnegative irreducible matrix A with spectral radius ρ, we obtain a simple method to find the Person vector.
   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。
4. A special kind of unabridged end conditions like wing is used in the interpolation of curves, it needs both radius of curvature and tangent vector perpendicular to chord line, and has been solved very successful by special processing.
   其中一种比较特殊的完备边界条件是翼型条件，它要求在端点处有垂直于弦线的切线，并且具有给定的曲线半径；
5. Evolutions of the mean square radius of gyration, the mean square end-to-end distance and the autocorrelation function of the end-to-end vector are simulated.
   通过计算，研究了单链高分子的均方回转半径、均方末端距以及末端距向量自相关函数随时间的演化过程。
6. According to Kikuchi diffraction geometry, the radius of reflection sphere can be expressed as a vector withcertain indices by referring to the crystal lattice.
   根据菊池衍射几何，参照晶体点阵坐标，反射球半径可以用一定指数的晶体学方向矢量来表示。
7. In the first method, r1(θ 1)( or r2(θ 1)) has been created by radius vector function q(θ 1) of initial pitch curves. This method can be used for designing identical pitch curves of non-circular gears;
   第一种方法是通过初始节曲线的向径函数q（θ1）来构造出r1（θ1）或r2（θ1），运用此方法可设计一对相同非圆齿轮的节曲线；
8. Researches on the Properties of a Particle's Radius Vector
   质点位矢性质的探讨
9. The normal vector of each data point is calculated without reconstructing surface, and then realizing radius compensation with probe radius by going along normal vector.
   在不需要重建曲面模型的情况下，找到每一个数据点的法矢，在该法矢方向上补偿一个球头半径实现了测头半径的三维补偿。
10. The transformation relations of coordinates and time between the radius vector equations in inertial frames were expressed by the formula of Lorentz transformation in the theory of special relativity, but its deducing process is quite troublesome.
    在狭义相对论中，惯性系矢径方程的坐标和时间变换关系是用洛仑兹变换式来表达的，其推导过程相当繁琐。
11. The Calculation of Corretion Quantity about the Radius Vector of Planet
    行星公径修正量的计算
12. Wave superposition method based on virtual source boundary with complex radius vector for solving acoustic radiation problems
    基于复数矢径的波叠加法解声辐射问题
13. Spectrum method of virtual boundary with complex radius vector applied to acoustic radiation and scattering problems of 2-D cavity of arbitrary shape
    复数矢径虚拟边界谱方法在二维空穴声辐射和散射问题中的应用
14. Algorithm of C-tool radius compensation-adopting vector method, high calculating speed, high precision, linear transition between vectors causes better corner process;
    C刀具半径补偿算法&采用矢量法，计算速度快、精度高，段间采用直线过渡，具有更好的尖角工艺性；
15. With the help of the simple mathematical method, another transformation formula of coordinates and time between the radius vector equations in inertial frames is derived in the paper.
    本文运用简单的数学方法推导出惯性系矢径方程的另一种坐标和时间变换式。
16. A new radius compensation algorithm based on Delaunay triangulation is presented, which can improve calculation efficiency and veracity of compensation vector.
    在三角网格法的基础上提出了基于Delaunay三角剖分的半径补偿新方法，有效改善了补偿矢量的计算效率和准确性。
17. Another transformation way between the radius vector equations in inertial frames
    惯性系矢径方程的另一种变换
18. Making use of the moment vector and radius vector of rotation, the lateral buckling of thin-walled members are analyzed.
    以弯矩矢量和转角向径为工具，分析了薄壁构件的弯扭屈曲。
19. By using the Interior Radius Vector Sweeping method, the 3-D convex body defined by multiple functions has been smoothed.
    应用内点极径扫描法，对多个函数定义的空间凸体进行高阶磨光，实现了仅用一个拟合函数表达、拟合精度仅由一个参数控制的空间凸体磨光拟合图形的绘制。
20. By extending Interior Radius Vector Sweeping and combining with Boolean operations, smoothing the convex cavities in the multiply connected domain has been studied. 6.
    将内点极径扫描法进行推广，并采用布尔运算的方式，研究了复连通域的磨光问题。
21. After analyzing the probe radius compensation technology during surface measuring, a new probe radius compensation technology based on the normal vector of NURBS surface is proposed and the problem of measure point planning is simply analyzed.
    在此基础上重点分析了曲面测量过程中的测头半径补偿技术，提出了基于NURBS曲面法矢的测头补偿技术，并简单分析了曲面测量时的测点规划问题。
22. The relative radius vector, velocity, acceleration of rocket sled centroid and inertia moments are formulated by rocket motor charge geometric burning law.
    在发动机星形装药几何燃烧规律的基础上推导了该火箭橇质心相对矢径、运动速度与加速度及转动惯量的计算公式。
23. Conformal mapping with special boundary conditions to solve the electrostatic fields, electric potential field in three-dimensional space using the inverse radius vector method gives power to deal with such issues as law and the strict mathematical solution. 3.
    保角变换解决具有特殊边界条件的静电场问题，利用三维空间场电势的逆矢径方法给出电像法以及处理此类问题的严格数学解法。
24. Then, a fast algorithm for the sound pressure of a rotational body was put forwarded by using the wave superposition method with complex radius vector and 2D-FFT algorithm.
    然后，结合复数矢径波叠加法和2D-FFT算法，提出了一种计算轴旋转体辐射声压的快速算法。

noun

1. a line connecting a point in space to the origin of a polar coordinate system

2. a line connecting a satellite to the center of the body around which it is rotating