近似方法

To address the problems that full volume 3_D DSR equation migration could meet with in production application, we present a feasible common_azimuth prestack τ migration approach based on the theory of crossline common_offset migration.

为了克服其全三维偏移算法在实际应用中可能面临的困难，本文采用稳相近似，在crossline常炮检距偏移理论基础上推导了实用的共方位角叠前τ偏移方法。

In early 3rd century, the ancient Greek women had to body curve and the pursuit of the original "invented", the "model body underwear model body underwear" using the approximation method of modern three-dimensional cutting, and in the waist with metal waist clip plastic waist, then, in this kind of dress of women in society status for the priests, the performers and palace ladies - this is the earliest human research into the "model body".

早在公元三世纪之初，古希腊的女性便有了对身体曲线的追求，并发明了原始的"塑身内衣"，这种"塑身内衣"采用了近似现代立体裁剪的方法，并在腰部用金属腰夹塑腰，当时，穿着这类服装的女性均为处于上流社会地位的祭司、表演者和宫中女士--这是可以考证到的人类最早的"塑体内衣"。

A simple way is used to approximate the curvilinear metal boundary of circular groove guide.

用一种简单方法来近似圆形槽波导的曲线金属边界。

The algorithm is practicable and efficient in finding approximate roots of a cyclotomic polynomial, and gives a new method to judge a polynomial that can pitch cirle.

该算法在求分圆多项式的近似根方面是可行的，并取得比较好的效果，为判定一个多项式是否分圆提供了一种新方法。

In this paper,using the improved L-P method and the interpolation perturbation method,the authors seek to solve a class of the damped strongly nonlinear free oscillation problems.

文摘：本文用插值摄动法及改进的L-P法相结合的方法求解了一类有阻尼的强非线性自由振动问题，得到了一级近似解。

According to the definition of the minimum zone method, the mathematical model is presented for evaluating flatness error and establishing datum plane equation.

分析了常用的近似评定法(三点法、对角线法、最小二乘法等)存在的局限性，根据最小区域法的定义，给出了基准平面方程及平面度误差评定目标函数数学模型的建立方法，并举例说明了采用Matlab进行平面度误差的计算。

The first section is to introduce some corresponding basic definiens and properties on the fractional calculous. The rest of the chapter is to present solving methods for the approximation solutions of the nonlinear fractional differential equations and their application.

首先介绍了本章涉及到的分数微积分的定义及其性质，然后介绍了非线性分数阶微分方程近似求解的方法及其应用。

Perhaps this model equation somewhat improves the degree of approximation.

文中应用这种模型于平面Couette流问题，求出其形式解，并用迭代方法求出一次近似解。

At first, preprocessing with the image pyramid and diffusion-filtering technology; then abstracting the boundary-outline information; carrying on the logarithmic coordinate transformation of the abstracted boundary-outline information to get bar chart of the logarithmic coordinate; calculating the value of Cs to get all the phase match points; calculating the value of the degree of approximation to judge the shape matching.

本发明涉及一种基于Shape Context的人脸形状匹配方法，首先采用图像金字塔及扩散滤波技术进行预处理；再利用Canny边缘检测算法和轮廓提取算法提取边界轮廓信息；对提取的边界信息进行对数极坐标变换，得到对数极坐标直方图；通过计算Cs值，获得所有相匹配点；计算相近似度值，进行形状匹配判断。

Besides, in this paper, we also discuss the application plan of the diagonal domanince decoupling method in tension between〓 control.

此外文中还讨论了对角优势近似解耦方法在各机架间张力解耦控制和各机架张力、轧制力、速度解耦控制中的应用方案。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。