查询词典 conicoid

The scope of three-dimensional diagram that can be drawn with conicoid is strictly larger than that with plane and sphere only.

通过引进一类新的作图工具，使得三维参数化CAD系统的作图范围得到扩大。

Use VTK pipeline mechanisms conicoid mapping, and production of contour lines.

详细说明：使用VTK的管道机制实现二次曲面的绘制，并制作等高线。

In this paper,using the classification for the point of general surface in differential geometry,a new combination that relies on the type of point on real conicoids is studied,and then can know more about the shape of conicoid.

利用微分几何中对一般曲面上点的分类来研究实二次曲面依点的类型的又一重要新组合，从而对二次曲面的形状有进一步的认识。

The compensator can be used not only the conicoid but also the high-order surface.

这些透镜补偿器既可以检验二次曲面，又可以检验高次曲面。

The conicoid fitting method used for transforming GPS elevation, and the basic structure and mathematic formulas of BP algorithm of neural networks are introduced briefly in this paper.

简要介绍了转换 GPS高程的二次曲面拟合法，以及神经网络 BP算法的基本结构和数学公式。

In general, most 3D parametric design systems use plane and sphere as basic tools to draw a three-dimensional diagram. In this paper, we introduce a class of new drawing tools: conicoid.

通常大多数三维参数化CAD系统都只用平面和球面作为最基本的作图工具，这在某种程度上限制了三维参数化CAD系统的作图范围。

We prove that a diagram can be drawn with conicoid sequentially if and only if it can be described by a set of triangular equations of degree less than nine.

同时证明了一个三维几何图形可以用平面、球面和圆锥曲面构造出来的充分必要条件是这个三维几何图形可以用一个三角化的次数小于9的代数方程组来描述。

Then, the model error of the conicoid fitting method is detected by the BP algorithm of neural networks. Application to a practical project shows, the feasibility of the method, and some conclusions of practicable value are drawn.

然后，尝试用 BP神经网络方法来探测二次曲面拟合法的数学模型误差，通过某工程实例，证实了该方法的可行性，并得到了一些有工程应用价值的结论。

Secondly, according to the aberration balancing, the relationship between coefficient of conicoid and high-order spherical aberrations was presented, which can support the design of advanced performance folded lens.

然后以球差为例，分析了非球面面型系数与高级像差的关系，从而为折叠式超薄光学系统的像差平衡提供依据。

Using numerical analysis method and GLSFA the paper researches into the plane, conicoid and three cubed anti error fitting model.

利用数值分析方法和GPS水准拟合过程分析软件对相关平面、二次曲面和三次曲面抗差推估数学模型进行对比分析研究。

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。