数值技术

The non_singular fictitious boundary integral equations are derived by using the fundamental solutions and the singular points exterior to domain techniques.

利用基本解和域外奇点技术导出了弹性力学平面问题的非奇异虚边界积分方程，然后利用虚边界元－边界子段法对导出的积分方程进行数值求解。

According to this fault block reservoir and its fluid characteristic, using numerical simulation technique, based on heterogeneous geological model, optimal study of production scheme was carried out.

针对本断块油藏及其流体特征，运用数值模拟技术，在建立非均质地质模型的基础上，进行了开采方式的优化研究。

By the tools of digital photogrammetry workstation, digital mapping system, and geographic information system, the extraction of ground features and update of the geographic data base become feasible and also necessary to ensure correctness and timely information.

此时以立体数位影像制图技术制作数值图，并将其建立在地理资讯系统资料库中，使所使用的资料能反映近乎即时的资讯，资料库建立需要庞大的时间与经费，完成后的资料库若要与现实的真实环境符合，必须进行资料库的经常性更新。

CWS technique is developed well in China. But, compare with the developed countries, in design and manufacture of burner, manufacture of big capacity high pressure CWS pump, structure configuration of the burner and the gasifier, the development of numerical simulation software, the manufacture of furnace firebrick, the design of PDP software and other sides, our technique is not perfect.

然而，与国际社会相比，我国的水煤浆气化技术还存在许多问题，在喷嘴的设计与制造、大容量高压煤浆泵的制造、喷嘴与气化炉结构的配置、数值模拟计算软件的开发、高温炉衬耐火砖的制造、PDP软件包的设计等方面还不尽如人意。

In addition, the edges, veins, skeleton and fissility of plant leaf are also primary features for plant morphology. So we also studied the method of the automatic extraction of these structural features from leaf images, which is a necessary step to design an automatic plant species system.

另外，叶片的叶缘、叶脉、骨架、裂深等叶片结构特征是植物数值分类学的主要分类性状，也是植物形态学分类的依据，通过数字图像处理技术实现这些性状的自动提取，是计算机辅助植物物种识别的重要内容和必然环节，所以对这些叶片结构特征的自动提取方法也进行了研究。

With the development of computer technology and fluid dynamics,it is possible to simulate core-shooting process numerically.

随着计算机技术以及流体力学理论的发展，使得对射砂过程进行数值模拟成为可能。

The simulation of forging process developed in recent years provides a convenient and possible method for solving the problem.

近年来发展起来的锻造过程的数值模拟技术为解决上述问题提供了方便和可能。

Through theoretic analysis and numeric calculation, it studies kinetic characteristics and pollutant transform laws of the 2nd Songhua River Water; emphasizes parametric recognition for Frechet derivative regularization based on Dobbins-Camp BOD-DO coupled model in water quality simulation and how to make estimation.

通过理论分析和数值计算，研究二松江江水运动特性和污染物转化规律；重点研究了水质模拟中基于Dobbins BOD-DO耦合模型的Frechet导数正则化参数识别法进行估计，确定目标函数后，通过优选技术确定水质参数。

In previous paper1-3, from the results of the electronic computer simulation experiments and the analysis of the corresponding optical properties, we presented a stabilization condition for numerically solving a Fredholm Integral equation of the first kindσ2σ1kBdσ=I in Fabry-Perot interferencespectroscopy.

在以前的论文中，我们从计算机模拟实验及相关的光学现象出发提出了Fabry—Perot干涉光谱技术中的积分方程数值求解的稳定条件。

Based on the Biot s two-phase theory for fluid-saturated porous media, considering the inertia force of the solid and the liquid, and the coupling function between the solid and the liquid, and the compressibility of the liquid in allusion to the character of the nearly saturated soils. The dynamic governing differential equations are solved by Hankel transform. Then, considering the boundary condition, the dual integral equations of vertical vibration are established which are reduced to Fredholm integral equation of the second kind.

本文基于Biot两相介质动力固结理论，针对准饱和土地基的特点，考虑了流体的可压缩性，土体和流体的惯性及水土之间的耦合作用，运用Hankel变换技术求解动力控制方程，然后按混合边值条件建立起对偶积分方程，并将其化为易于数值计算的第二类Fredholm积分方程，分别研究了准饱和土半空间地基、上覆单相弹性层的准饱和土地基和准饱和粘弹性地基上刚性基础的竖向振动特性。

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。