二次曲面

We discover that under a general configuration the twist system of this mechanism belongs to the seventh special three-system, and all the twist axes are distributed on a hyperbolic paraboloid that is special and unusual and rarely studied. Under original configuration it belongs to the fourth special three-system.

我们发现：该机器人在一般位形下，它的所有运动螺旋轴线在空间分布的二次曲面是比较特殊的，罕见的，是过去理论上研究很少的双曲抛物面，属于第七种特殊三系，在起始位置时属于第四种的特殊三系。

This paper studies the integration of advanced mathematics and language of computer, an example Hyperboloid of One Sheet is given.

以二次曲面为例，探讨了计算机语言与高等数学教学的整合问题，并给出了一个单叶双曲面的应用程序编写实例。

It is feasible to simplified curved surface of second degree and solved some polynomials factor decomposition by the theories of the matrix algebra.

用矩阵代数的理论简化二次曲面和解决某些多项式的因式分解的方法是可行的。

In this paper we compare memory requirements for RTINs using planar and quadratic surface patches.

在本文中，我们比较平面使用RTINs的记忆要求和二次曲面的修补程序。

Igusa's p-adic zeta function is associated to a polynomial f in several variables over the integers and to a prime p. It is a meromorphic function which encodes for every i the number of solutions M_i of f=0 modulo p^i.

在探究利用辐射型基底函数去解超奇异积分方程的数值解，我们选择了多重二次曲面函数和薄板型云线以及李纳德多项式去估计我们的解。

Firstly, quadric surface is approximated with the vertex and its neighboring vertexes of the triangle mesh model, and the first and the second basic quantity are calculated, then estimating the normal and curvature of the mesh vertexes, lastly OpenGL technique is used in realizing the graphics display of the triangle mesh model.

首先根据三角网格模型中的顶点及其邻接点逼近二次曲面，并计算其第一、第二基本量，然后据此估算网格顶点的法失和曲率，最后利用OpenGL技术实现三角网格模型法矢和曲率的显示。

Then, compute geometry property of each point on Gaussian sphere and curvature coordinate.

然后计算测量点几何属并将它映射到高斯球和法曲率坐标上，运用统计方法识别不同分布模式，从而识别不同的特殊二次曲面类型。

One is applying a same projective transformation to the two quadrics simultaneously; another is replacing one quadric surface with an appropriate member of the pencil formed by the two quadric surfaces.

由前面给出的QSIC的两个性质可知，简化过程中对两二次曲面进行的两种操作不会改变它们的QSIC的拓扑形态。

Of or relating to geometric surfaces that are defined by quadratic equations.

二次曲面的由二次方程式所定义的几何平面的，或与其有关的

Considering the influence of quadratics, the entrance and exit plans of the dipoles are made conicoids, the dipoles not only can deflex ions, but also can focus at the entries and disperse the ion at the exits.

考虑高阶分量的影响，二级偏转磁铁的入口和出口极面采用二次曲面形状，除使磁铁起偏转作用外，还有聚焦和发散的功能。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。