半径的

A straight line that passes through the exterior end point of a radius and is perpendicular to the radius is a tangent line of the circle.

经过半径的外端且垂直于这条半径的直线是圆的切线。

It is found from the analytical expression that the truncation parameter, which is defined as the ratio between the waist of the Gaussian beam and the radius of the lens, has an important effect on the diffraction field distribution of the lens.

应用这个表达式研究了截断参数（透镜的半径与高斯光束束腰半径的比值）对透镜衍射场分布的影响。

It is shown that the form of average intensity is not a Gaussian function but a polynomial of the power of the binomial function, Gaussian function, and the incomplete gamma function.

结果同时表明，斜程湍流大气传输的有限光束光强不仅是发射光束半径、传输距离和球面波长期平均相干长度的函数，同时也是发射孔半径的函数。

In this paper,the anthor study problem of geometric inequalities for Ceva simplex by analytic method and geometric theory.

利用解析方法和几何不等式理论，研究了Ceva 单形的几何不等式问题，建立了单形和它的Ceva 单形外接球半径与内切球半径的两个不等式。

Through constructing the function between the radius of a sphere and its auxiliary variables, the radius can be obtained if one of the coordinates of each spherical point is measurable and the other two are constant and unknown.

当球面点的坐标分量之一已知，而另外两个分量固定不变但未知时，通过建立球半径与辅助变量之间的关系，可达到测量球半径的目的。

The investigation is based on three methods: the twisted factorization、LU factorization of tridiagonal matrix and expression the block inverse matrix with four block column vectors.

该算法比经典的LU算法约快两倍。研究了非奇H矩阵的谱半径，得到一个非奇H矩阵谱半径的上界估计式。

In fact, there is the pattern with dark central region and the high visibility diffraction fringes around, and the radius of dark region largen with thc reduced radius of the incident beam.

理论上分析了反射图样暗场的半径与边界入射光束半径的解析关系，实验室上计算了弯曲液面的斜率，进而得出弯曲液面上升的最大高度和接触角。

SECTILE can be used to classify a large number of specimen and has good scalability.

本文提出了互依赖和等效半径的概念，并将两者相结合，提出新的分类算法——基于互依赖和等效半径、易更新的分类算法SECTILE，SECTILE计算复杂度较低，而且扩展性能较好，适用于大规模场合。

Similarly, when you set the Radius value, you want to set the width and height of the underly- ing Ellipse so that each is double the value of the radius, which you can do in the property setter.

同样，在你设置半径时，你也需要同时设置内在椭圆的高度和宽度，它们的值都是半径的两倍，你可以属性设置器里进行赋值。

According to family and group of the elementary ionic law table, one drawing is made with ionic radius as ordinate and outer shell electron distribution as abscissas; and another drawing is made with logarithm of ionic radius as ordinate and valences of ionic as abscissas.

依据元素离子律表的组和族，以离子半径为纵坐标，外层电子排布为横坐标作图；以离子半径的数值为纵坐标与离子价数为横坐标作图，得到两套规律性好的曲线。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。