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From the cross point of different window curves, a final shape factor and depth information of a polarizable body can be estimated.

利用这种方法，能够实现对均匀场中极化体形状和深度信息的快速定位。

The paper analyzes the change of the exit light from a circular polarizing filter used inversely according to the interference theory of polarized light, measures the spectral transmittance curves with the combining of circular polarizing filter and linar polarizing filter, and summarizes the photographic performance of the circular polarizing filter used inversely.

将圆偏振镜与线偏振镜组合，并使 1 4波片位于线偏振镜之间，测定出线偏振镜和圆偏振镜相对旋转至不同方位时的分光透过率曲线，探讨了入射光为线偏振光时出射光因偏振光的干涉而相应出现的强度和色度变化，并以此为模型，对圆偏振镜反向使用时的摄影性能进行研究和总结。

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。

The hysteretic models consisted of a skeleton curves which based on the concept of three stage polygonal line with soften region and some hysteretic rules.

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。

To overcome this limitation, the paper proposes the degree of grey periodic incidence judged by slope, according to the winding situations of two curves, and judging wave period of the curve by calculating the slope of every polygonal line.

针对这一缺陷，作者根据两条曲线的曲折情况，通过计算各折线的斜率判断曲线的波动周期，提出基于斜率判断的灰色周期关联度。

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。

The study establishes the compression of models and algorithms for vector graphics data on different basis, including on the basis of vector graphic factors of B spline curves in predecessors research; on the basis of rectangle graphic factors in main axis mode; on the basis of the application of Hough transform to polygonal line, ellipse and circle, so the study improves the models and algorithms of compression for vector graphic data.The compression for vector graphic data mainly studies the data of storing graphic factors.

本文研究的内容是：根据对以往各种曲线矢量数据压缩模型与算法的研究，建立了基于B样条的曲线矢量图形要素的数据压缩模型和算法；在前人研究的基础上，建立基于主轴模式的矩形图形要素的数据压缩模型和算法；本文作者将Hough变换应用到折线、圆及椭圆图形要素的矢量数据压缩上，在此基础上改进了基于Hough变换的折线、圆及椭圆图形要素的数据压缩模型和算法。

Two hysteretic models suitable for damaged and undamaged fiber-reinforced prestressed wide-beam frames were proposed sequentially. The hysteretic models consisted of a skeleton curves which based on the concept of three stage polygonal line with soften region and some hysteretic rules.

在上述研究的基础上，分析了无损伤和地震损伤的钢纤维预应力扁梁框架滞回曲线的主要特征，进而分别提出了适合于无损伤和地震损伤的钢纤维无粘结预应力扁梁框架结构的恢复力模型。

In order to store and dispose of these kinds of curves, we present the concepts of convex rate and polyline to describe line segments and arcs by the same format.

为了便于计算机存储和处理，给出了直线和圆弧的统一表示形式，并在此基础上给出了多义线的定义与存储结构。

In the third chapter, interval polynomial approximation of rational curves is introduced.

第三章主要介绍了有理曲线的区间多项式逼近。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。