半径

Take 0 point to 1 point as radius, and connect 0 point on sphere surface, and take radius as 3 R, calculate the volume, that is the distance of all 1 points self rotation for one circle.

以0点到1点为半径，到球体表面连接0点，取半径为3R，求这个体积。这是他所有1点自转一周距离。

Experimental results indicate that the polar radius of the long spherical hollow Be rotor is 0.52 μm longer than equator radius,which is well coincident with the design value of 0.54 μm.

实验结果表明：该加工后的长球形空心铍转子的极点半径比赤道半径长0.52 μm，与设计值0.54 μm相吻合。

The radii of the inner and the outer surfaces are 8 cm and 9 cm respectively.

内半径和外半径分别是 8 cm 和 9 cm。

The boundary radii of atoms and ions of elements from first- to fifth-row in the periodic table are obtained.

所得原子边界半径具有明显的周期性，并与传统的原子半径具有很好的关联。

The bursting radio source, GCT J1745, could be a precessing quark star with beamed radio emission since its precession angle should be larger than 15 degree.

尽管极限质量及相应的半径类似，裸奇异夸克星与正常中子星非常明确差别之一是前者可以具有非常小的半径和质量而后者不能。

Radius of the Earth: The curvature designed into the faces of the pyramid exactly matches the radius of the earth.

地球半径：进入金字塔的脸上完全匹配地球的曲率半径设计的。

The elements of optical waveguide strain-stress measurement and fiber bragg grating strain-stress measurement system based on wavelength division multiplexing and spatial division multiplexing are emphatically discussed; the displacement regularity of stress field induced by roadway group excavating and short wall mining process is analyzed in detail; the concept of roadway "equivalent radius","correcting coefficient of coal and rock mass mechanical parameters",and "mining affecting coefficient" is put forward; the calculation method of "equivalent radius", the method of inversion of "correcting coefficient of coal and rock mass mechanical parameters", and the "mining affecting coefficient" determination method with the field measurement results and so on are provided.

重点研究了光波导应力应变测量原理，以及基于波分复用和空分复用技术基础上的布拉格光纤光栅应力应变测量体系；详细分析了近距离巷道群开掘工作和短壁体系回采工作诱发的应力场的重新分布规律；提出了巷道"当量半径"、"煤岩体力学参数修正系数"、"采动影响系数"等概念；给出了"当量半径"的计算方法、"煤岩体力学参数修正系数"的反分析求算方法、以及通过现

How to evaluate the fatality radius when its probability is given is also analyzed, a regression estimate method based on Support Vector Machine is proposed to solve this problem.

本文对给定发生概率时如何确定死亡半径也进行了分析，采用基于支持向量机的非线性回归估计方法对死亡半径进行估计。

In the solution of the Difichlet boundary problem ofLaplace equations, we provide an effective method for determining the spectral radiusand the best slack variable of block basic iterative methods. At the same time, wepresent the spectral radius and the best slack variable of basic iterative methods from thenine-point difference scheme.

在解决Laplace方程Dirichlet边值问题上，文章为确定块基本迭代方法的谱半径和SOR方法最优松弛因子提供了一个有效的方法，并推导了九点差分格式下的块基本迭代方法的谱半径和SOR方法最优松弛因子。

We study the spectral radius of graphs with k cut edges, and the

利用移接变形的方法研究具有k条割边的图的谱半径的上界，给出了该图类谱半径达到最大和第二大的极图。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。