查询词典 polygonal

Thirdly, the principal curve and polygonal line algorithm are introduced, and an implementation of polygonal line algorithm based on Quasi-Newton numerical optimization is illustrated. The simulation results show that when this algorithm isused in the detection of curvilinear defects on wafer map, it can converge fast, compute accurately and meet the demand of application of defects pattern analysis, and with the number of line segment increasing, the polygonal line will approximate to the Kegl principal curve.

研究了主曲线、多边形线算法，提出用多边形算法识别弧状缺陷想法，讨论了用拟牛顿法实现该算法的解决方案，针对硅片缺点模式分析中常出现的弧状缺陷，采用该算法进行检测分析，实验结果表明这种算法快速准确，当线段个数或最小距离平方期望值达到一定门限值后，多边形线就已经能够描述弧状缺点集的形状，随着线段个数增加，最小距离平方期望值还在不断下降，最终会收敛到Kegl主曲线。

The irrational function forms interpolation on a polygonal element with arbitrary nodal distribution was constructed by using mean value coordinates of polygonal elements.

本文采用多边形单元的平均值坐标，构造任意节点分布的多边形单元无理函数形式的插值函数，提出了一种求解微分方程边值问题的多边形有限元方法。

Simplified the complex assembly access identification is simplified to the polygonal largest inscribed circle computation. Determined the pipe route by the spline interpolation whose nodes were the centers of polygonal largest inscribed circle list.

将复杂装配通路的识别简化为多边形最大内切圆求解；管道敷设路径则由若干典型装配通路横截面最大内切圆圆心插值曲线来确定；管道敷设路径的优化采用直线逼近曲线算法。

Illite fundamental particles showed platy to lath shapes. Platy particles exhibited various spiral growth patterns, i.e. circular, malformed circular, polygonal single unit-cell layer spirals, polygonal parallel step spiral, interlaced spiral patterns, etc.

伊利石单元粒子生长过程中，伊利石单元粒子呈现从板状体到条状体的生长，而板状颗粒又呈现各种螺旋生长图案，有圆形、残缺的圆形、多边螺旋、平行阶梯状螺旋、交错螺旋等。

The unload-reloading curves of the hysteretic models also based on a three stage polygonal line and a two stage polygonal line.

恢复力模型的骨架曲线均为带软化阶段的三线性折线模型，卸载—再加载曲线分别采用三折线模型和双折线模型。

With the analysis of the principal curves,the extended polygonal line algorithm and the specialties of fingerprint,the original extended polygonal line algorithm is improved a lot,and becomes much more suitable for the extraction of the skeletonization of fingerprint.

在分析主曲线、推广多边形算法和指纹数据的特点后，尝试使用主曲线来描述指纹特征，对原推广多边形算法作了较大改进，使其更适用于指纹骨架的提取，最后实现了基于骨架的指纹特征提取。

During the fabrication of big capacity and high lift crane, Crane Company is the first to use the advanced polygonal line technics-- American patent and the special machine for fabrication of polygonal line drum--national patent. The successful use of such advanced technics resolved completely the wire rope enwinding of high lift hoist. It reduced the crane weight and improved the performance of crane.

在大吨位高扬程起重机制造中，首先采用了美国专利的莱伯斯折线卷筒技术和获国家专利技术的折线卷筒加工专用机床，这些技术的成功运用，彻底解决了高扬程启闭机钢丝绳缠绕问题，减轻了起重机的重量，提高了设备性能，使用这项技术的几十个水电站起重设备均取得了良好的效果。

The simulation results of the two models indicated that the yield strength of the composites in which the particles are assumed all in polygonal shape and the mean stress in particles both decrease with the increasing number of polygonal sides.

两种单胞模型的模拟结果均显示，对于颗粒是多边形状的铝基复合材料，随着颗粒边数的逐渐增大，颗粒的平均受力逐渐减小，复合材料的屈服强度也逐渐降低。

The experimental evidence has shown that the polygonal Co particles are the final form. We found that Co formed nanocrystallites of 2-5 nm in diameter in the surface coating layer of the Mg_2SiO_4 crystalline stems and then aggregate into large clusters. These clusters further grow and recrystallize into polygonal single crystals. Instead of the single crystals, it is the polycrystalline clusters that played the most important role in Mg_2SiO_4 growth.c.

b。实验中观察到的现象表明多面体的Co颗粒并不是一开始就形成的，而是首先在Mg_2SiO_4的枝干表面以2-5nm的纳米晶体聚集成较大的团簇，这些团簇再继续生长并在最后重结晶为多面体的形状。

With the same size of the powder, the strength of spherical powder cloth is higher than that of polygonal powder metal cloth because the polygonal powder can cut off the fibre during rolling process.

当球形金属颗粒尺寸为5μm时，布的拉伸强度为72PSI，当颗粒尺寸分布于125—180μm时，布的强度为3.87PSI。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切