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Due to small scale, appropriate to introduce the Latin cross plane, so more into round, oval, plum-shaped, round cross-shaped flap of the hall such as a single space, in the modeling large-scale use on the surface.

由于规模小,不宜采用拉丁十字形平面,因此多改为圆形、椭圆形、梅花形、圆瓣十字形等单一空间的殿堂,在造型上大量使用曲面

In the second chapter, it proposes a layered planning method based on surface of minimum risk.

本文在第二章中介绍了一种基于最小威胁曲面的分层规划法。

A left null factor of derivative matrix is introduced, and the sliding surface and the control's parameterization can be obtained by sloving strict LMI.

引入导数矩阵的左零因子,使得滑模曲面及控制器参数的求解可经过求解严格线性矩阵不等式获得,在一定程度上简化了LMI方法在奇异系统变结构控制器设计计算中的计算复杂性。

According to the orthonormality of Legendre polynomials in the function approximation theory, the exact boundary of the ball Bézier surface was optimally squarely approximated in polynomial form.

依据函数逼近论中Legendre多项式的正交性,得到了采用多项式形式表示的球域Bézier曲面的精确边界的最佳平方逼近。

After introducing the primary approximation approaches for curve and surface offset, we give an optimal approximation approach for offsetting curve based on shifting control points, which relies on approximating the normal by Legendre polynomial approximation.

在全面介绍了等距曲线曲面逼近的主要方法以后,作者首先利用Legendre多项式得到基曲线法矢曲线的最佳平方逼近,由此给出了基于控制顶点偏移的等距曲线最优逼近的算法,它在算法效果和效率上都远优于其他同类算法。

The line of curvature isn't only a curve of space, but a special and a very important curve of surface.

曲率线不仅是一条空间曲线,而且是曲面上定义的一种特殊而重要的曲线。

The line of curvature is relation to many basic conception with curve and surface, by which normal curvature and principal curvature are easier.

曲率线将曲线与曲面中的许多基本概念有机地联系起来,使得法曲率和主曲率的求解简单化。

To reduce the data size of CAD product model, we presented an algorithm to compress the B-spline curves and surfaces based on second-order prediction in local coordinate system.

B样条曲线曲面密集控制点是造成CAD模型数据量庞大的因素之一,对其进行压缩编码,能有效减少CAD模型数据量。

The formation of tooth face is analyzed based on the theory of original curve and area as well as the logarithmic spiral polar coordinates equation.

提出了一种新型锥齿轮-对数螺旋线齿锥齿轮传动形式,并以基曲线和基曲面滚动原理为基础,结合对数螺旋线极坐标方程,分析了对数螺旋线以及对数螺旋线齿锥齿轮齿面的形成过程,建立其了齿面方程。

Loxodrome normal circular-arc spiral bevel gear transmission is a typical engineering application based on the principle of Betrand conjugate surface. It is likely to be the hi-tech prototype for the middle or large spiral bevel gear.

斜航式法向圆弧螺旋锥齿轮传动是贝特朗曲面原理指导下的一类典型工程实现,可望为中大型锥齿轮传动提供一种新技术原型。

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推荐网络例句

I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。