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The researcher points out the analytic methods and steps then uses the two-dimensional hydrodynamic model to analyze the simulation of watercourse. There are three two-dimensional hydrodynamic models (inclusive of the RMA2 model, HIVEL2D model and FESWMS model) which are included identical range and limitation in our graduate school. The researcher chose the two-dimensional hydrodynamic model as the proper tool which can be used to simulate the flowof the old street stream. Researcher will transvaluation the retaining ability of the watercourse and consider the practice requirements to make the proper govern suggestion, furthermore, the results can be used as the reference of relative principles.

本研究旨在提出分析方法与步骤，使用二维水理模式作一河道模拟分析，由於本研究所介绍三个二维水理模式（包含RMA2模式、HIVEL2D模式、FESWMS模式）均有其适用之范围以及限制之条件，故本研究选定一适合模拟老街溪之二维水理模式作为水理分析之工具，藉由分析之结果，重新评估该河段之防洪排洪能力，并就实际整体防洪需求做妥善的治理建议，使研究成果能提供相关对策之参考。

Circumfusing the system of"multi-dimensional risk", this paper introduced in turn the concept of"risk correlation","risk change correlation","multi-dimensional risk measurements"and"multi-dimensional risk management".

论文的第一章介绍了本文的研究背景和概念框架，并对论文的整体框架、创新之处和主要结论进行了介绍。

A three-dimensional simulation method based on Matlab was designed. Moreover its better simulation was verified by a contrast diagram from different fiber finesses and a figure after three dimensional mapping. Finally, the main applications and their development directions for the two methods were prospected on a simulation based on lines and a three-dimensional map.

论述了基于Matlab的三维纱线模型的建立方法，并通过不同细度纤维构成纱线对比效果图和三维映射后三维纱的模拟图，验证了该法可以模拟出真实感较强的三维纱线，指出线性模拟和三维映射2种方法的主要用途和发展方向。

In the three dimensional seismic survey research process to HuoJitu well field in DaLiuta coal mine, it used weakness before superimposes、three dimensional after superimposes weakness followed with noises and other technics to dispose with the primary earthquake section planes, which enhancing three dimensional earthquake data body signal-to-noise ratio.

在对大柳塔煤矿活鸡兔井田进行三维地震勘探研究过程中，对原始地震剖面采用叠前面波衰减、三维叠后随机噪音衰减等新技术加以处理，提高地震三维数据体的信噪比。

The development of animation as the progress of mankind in the new century painting of the logo, the inheritance of human culture and biological organism also update it regularly, the human imagination as an extension of time and space changes, the modern design gradually from 2D to 3D and 4D (that is, We often hear the two-dimensional space, three-dimensional space, four-dimensional space) space extension of the art of color design and science and technology as we show a wealth of space symbol, is also given to the human meaning of a new life.

动画片的发展作为新世纪人类绘画进步的标志，人类文化的继承也和生物机体的不断更新有关，人的想象随着时空的变化而延伸，现代设计也逐步从2D到3D和4D（也就是我们常听到的二维空间、三维空间、四维空间）空间延伸，色彩设计中的艺术化和科技化为我们展现了丰富的空间符号，也赋予人类新的生活内涵。

The biomimetic pattern recognition makes recognition from the views of "matter cognition" instead of "matter classification", which analyzes and cognizes the high dimensional geometrical distribution that consists of the sample sets in the high dimensional feature space. It provides the theoretic basis of building the neural network based on high dimensional theory.

仿生模式识别从&认识&而不是&区分&的角度来进行模式识别，是对学习样本的全体在特征空间中形成的复杂几何体&形状&的分析和&认识&，为用高维空间理论建立识别神经网络提供了理论基础。

In this dissertation the"Penalty"finite element method was employed to compute the velocity of the three-dimensional flow of power-law fluid in a profile die. In order to decrease the needed computer memory and raise the stability of numerical simulation, a set of decoupled methods such as PFEM, pseudo-body force method and transformation of momentum equation to the elliptic equation was developed to establish the general finite element equations to compute the distributions of velocity and viscoelastic stress of the three-dimensional viscoelastic flow of the Phan ThienTanner fluid in a profile die. During numerical simulation of the extrudate swell of the PTT fluid, the flow in the die and out of the die was analyzed separately, which demands less computer memory. The key techniques used in numerical simulation of the three-dimensional extrusion from dies such as decision of boundary conditions, creation of initial velocity field, selection of penalty factor, high Weissenberg number problem , regeneration of the free surface were studied in detail.

中文题名聚合物异型材口模挤出三维流动研究副题名外文题名 Study on three-dimensional flow of polymer melts during the process of profile extrusion from dies 论文作者涂志刚导师柳和生包忠诩教授学科专业材料加工工程研究领域\研究方向学位级别博士学位授予单位南昌大学学位授予日期2001 论文页码总数148页关键词挤出成型聚合物材料挤出口模聚合物异型材馆藏号BSLW /2003 /TQ320 /9 本文建立了求解挤出口模内幂律流体流动速度场的通用三维罚有限元模型；对于非线性粘弹性的Phan Thien-Tanner流体，为了降低模拟计算对计算机硬件的要求，并使模拟计算更加稳定，采用了一种去耦算法，包括罚有限元方法、拟体力方法和动量方程的椭圆类方程转化方法，并建立了求解速度场和粘弹性应力场的总体有限元方程；对于PTT流体的挤出胀大问题，提出了挤出胀大熔体口模内外分离模拟法，这样可以显著降低数值模拟对计算机硬件的要求。

The relationship between an object s three dimensional entity and its two-dimensional multi-views can be expressed vividly and visually by Solid Edge V11 parametric molding software, which constructs three-dimensional entity model and represents an engineering object spatially and dynamically.

用SolidEdgev11参数化造型软件建立三维实体模型，以真正的空间概念和动态方式表示工程对象能形象直观地表达一个对象的三维实体与多幅二维视图之间的关系。

By using two different three-dimensional source distri- bution techniques, three-dimensional translating-pulsating source (3DT) and three-dimensional pulsating source (3DP), numerical investigations have been carried out for a high speed monohull ship (RD-200) advancing in oblique waves. The numerical results are compared with experimental values obtained from wave load tests carried out at the SSPA. These extensive test results cover different wave directions at a wide range of wave frequencies.

本文在高频运动的假设之下，使用一种简化的三维振荡(3D pulsating)格林函数，3DP，以及与实际波系接近的三维前进－振荡(3D Translating-pulsating)格林函数，3DT，对於一艘高速单体船(RD-200)进行斜浪中规则波之波浪动态压力负荷分析；理论计算将以两种三维源点法进行波浪负荷评估并与由船模试验加以验证，船模实验於瑞典SSPA方型风浪水槽进行。

Production process of silicone oil-finished three-dimensional crimp ed hollow PET staple fiber;2. Using irregular length 3.33 dtex three-dimensional crimp hollow PET staple fibre to blend wool polyester double serge;3. The fibers exhibited three-dimensional crimp .

以PPS为皮层、PA6(尼龙6)为芯层，研究了PPS/PA6偏心皮芯型复合纤维的制备，拉伸后得到具有三维卷曲性能的纤维，对纤维力学性能以及耐酸性能进行了一系列的测试。

But this is impossible, as long as it is engaging in a market economy, there are risks in any operation.

但是，这是不可能的，只要是搞市场经济，是有风险的任何行动。

We're on the same wavelength.

我们是同道中人。