quadric的例句大全

Extracting quadric surface from measured data is an important problem in reverse engineering of mechanical parts.

在机械产品的逆向工程中,针对测量数据提取常用二次曲面是非常重要的.

The expression of a tangent cone family with one parameter about a quadric surface is discussed.

讨论了二阶曲面的单参数切锥族的表示方法,导出了单参数切锥族的包络面的方程.

A new method is offered to extract quadric surface based measured points for reverse engineering.

为逆向工程中基于测量点的二次曲面提取提供了一种新的方法.

An algorithm of feature surface recognition based on quadric surface fitting and geometry property was presented.

提出了基于二次曲面拟合误差分析和几何属性分析的特征曲面识别算法.

We call this surface the stress quadric.

我们称这个曲面为应力二次曲面.

Based on the quadric OPENGL screensaver program code, involving the rendering quadric algorithm with texture mapping.

基于OPENGL的二次曲面屏保程序代码, 涉及二次曲面的绘制与纹理映射算法.

Skewed symmetry detection of quadric surface solids under orthographic projection exploration of CAI in engineering drawing& to analyse the trend of intersecting lines of two stereoscopic cambers

正交投影二次曲面立体图的斜置对称面检测（英文）工程图学中计算机辅助教学探索&两曲面立体相交趋势分析

In this paper, the author gives the formula of roots of a quadric equation over a field of2 k elements and presents the problem.

利用一元二次方程的求根公式构造二元二次方程组的迭代算法，通过图解二元二次方程组的解来说明迭代算法在实践中的应用。

The regulative effect of lime application on N, K contents, Ca2+-ATPase and sugarcane height resembled quadric curve.

石灰施用量与甘蔗叶片N、K含量、Ca2＋－ATP酶活性及甘蔗株高里极显著或显著的二次函数曲线相关；

Simulation proves the favorable identification ability of our network for dynamic system, which means quadric operation is one feasible mode in the structure design of recurrent TSK networks.

系统辨识的仿真证明本文网络可以很好地辨识动态系统，表明TSK网络拓扑结构设计中使用二阶运算是可行的。

Structure Design of TSK network: an Local Recurrent Network Based on Quadric Operation

TSK网络结构设计：一个基于二阶运算的局部反馈网络

In the paper, inference the position, velocity and acceleration of the driven bar of quadric crank chain when the driving bar are derived, and a computer program based on MATLAB is compiled to simulate the linkage curve, position, velocity and acceleration.

推导铰链四杆机构在主动件处于不同位置时从动件的位置、速度和加速度关系，并编制相应的程序，基于MATLAB对连杆曲线、位置、角速度及角加速度进行计算机运动仿真。

The cable curves at cable finish stage, which utilizes equal rise of the quadric curve or the catenary curve, bring little difference to static and dynamic behaviors of suspension bridges.

对于空缆状态下的主缆线形，采用矢高相等的二次抛物线型还是采用悬链线线型，对悬索桥的静动力行为产生的差异不大；

The starting and shifting dynamics models for double clutch transmission ( DCT) are built, and linear quadric optimal control theory is used to study the engaging and disengaging laws of clutch.

建立了双离合器式自动变速器起步、换挡动力学模型。利用线性二次型最优控制理论研究了离合器接合、分离规律。

Based on study of relationship between the average quadric error and the surface curvature, a variable resolution surface reconstruction algorithm was proposed.

在研究平均二次误差与曲面曲率关系的基础上，提出了变分辨率的曲面重建算法。

Using seismic attributions for quadric programming inversion of porosity parameter

利用地震属性二次规划反演孔隙率参数

Bifocal chord of a quadric

二次曲面的两焦点弦

Bifocal chord of a quadric Attenuation, Scattering, Modeling water surface, Light shafts, Caustics.

二次曲面的两焦点弦衰减，散射，水面建模，光线束，焦散。

With these points, affine elements of the quadric curve, such as the center, conjugate diameters and asymptotes etc, may be constructed by means of a scale and a com-pass, and consequently the quadric curve may be classified affinely.

由这些给定的点，用直尺和圆规容易作出此二次曲线的仿射要素，例如中心、共轭直径和渐近线，等等，从而可将此二次曲线进行仿射分类。