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The die drawing process and the main characteristics of oriented polyethylene was reviewed in this paper.

介绍了制备取向聚乙烯的口模拉伸工艺及其特点，该工艺适宜的口模温度为低于树脂熔点10～40℃，拉伸速度一般小于15 m/min。

The deeply theoretical and experimental research on drawing technology of curved die in this paper enriches and develops the fundamental theories ofstamping technology.

本文对曲面凹模拉深工艺进行了深入的理论和试验研究，其结果丰富和发展了冲压成形基础理论。

This paper researches into the development process of dynamics of rock and soil mass in the view of science phylogeny supported by hundreds of relative bibliographies drawing the systematic frame of dynamics of rock and soil mass.

本文从科学发展史的角度研究了岩土体动力学的发展过程，通过数百篇文献的搜集和综述，从不同的侧面反映了岩土体动力学的研究历史和现状，勾画了岩土体动力学理论研究和工程应用的体系框架。

In this paper,friction field distribution between sliver and pressure bar on a homebred drawing frame is analyzed, and on this basis, the best range of contact arc is deduced.

本文以国产并条机为例，分析了并条机上须条与压力棒上摩擦力界的分布，并进一步推导出了须条对压力棒包围角度的最佳范围。

Nature Nanotechnology not only highlighted the paper in a news release but also organized the press conference, drawing additional attention to the study.

自然纳米技术》不仅在新闻发布方面突出这类文献的分量，而且还组织新闻发布会议对这项研究进行额外的注意。

Take a piece to already engraved printed drawing board, press area next the rip off of glue paper little above, again ordinal above put what what need to go up colorific fine sand, a piece of beautiful picture appeared.

取一张已刻印好的图板，然后按区域把上面的胶纸一点点撕掉，再依次在上面放上所需要的上了色彩的细沙，一张漂亮的画就出现了。

The paper relying on project practice of the express highway from Taiyuan to Changzhi of Shanxi Province, according to demanding of "Technical Specifications for Construction of Highway Asphait Pavements ", combining with own region climate characteristic and concrete design, and construction request, it has carried out SBS modified studying on shell-90# asphalt, so drawing a conclusion: 1. Having studied the quantity of SBS modifier"s effect on the temperature sensibility, the high temperature stability, the low temperature resistance to cracking , elasticity and the durability of asphalt ,meanwhile, having studied the quantity of SBS modifier"s effect on the water stability, the high temperature stability , the low temperature resistance to cracking of asphalt mixture, having compared SBS modified bitumens various function. As a result ,when the amount of SBS added is 5%, every function is comparatively even.

本论文依托山西省太—长高速公路建设的工程实践，按照《沥青路面施工技术规范》的要求，结合本地区的气候特点和具体设计、施工要求，对壳牌90#沥青进行了SBS改性研究，得到如下结论：(1)研究了SBS改性剂用量对沥青的温度敏感性、高温稳定性、低温抗裂性、弹性及耐久性的影响，同时研究了改性剂用量对沥青混合料的高温稳定性、低温抗裂性和水稳定性的影响，比较了SBS改性沥青的各项性能，结果表明当SBS掺加量为5%时，各性能较为均衡。

The paper introduced the developing course of automobile modeling design, discussed the modeling and marks of automobiles, the artistic presentation elements and aesthetic features of mascots, and the characteristic and effect of colored drawing and advertisements on bodyworks, and also gave a summary to the forms and functions of using automobile modeling in some esthetic activities, such as exhibition, stamp, movie, photography and behavior art.

简述了汽车造型的发展历程，论述了汽车自身造型和汽车标志、吉祥物的艺术表现元素和美学特征，以及车身彩绘艺术与车身广告艺术的特性与效果，概述了汽车在展示艺术、邮票艺术、电影艺术、摄影艺术、行为艺术等活动中的形式与作用，阐明了汽车与艺术相结合的历史渊源与互相作用，以及相伴而发展的必然趋势。

The second, according to mapping function of blank and product sections, and to many interpolating functions along model-cavity vertical surface, paper has built mathematics model, fluid surface function of special-shaped product plastic deformation and velocity field, gotten basis theory for metal forming prediction, for example empty drawing metal pipe thickness homogeneity and special-shaped product fluid regular, die parameter optimization and integration research of die CAD/CAM.

根据拔制坯料和制品截面映射函数和模腔纵向多种插值函数（直线型、凸型、凹型和三次多项式型），建立了相似异型材、圆形坯料——异型材和异型材——异型材三维金属拔制塑性成形的数学模型和异型材塑性成形的流面方程及流动场方程，为预报金属成形规律（如：空拔管壁均化、异型材流动规律），模腔参数优化及其CAD／CAM一体化研究提供了理论基础。

Based on numerical simulation flow after treatment methods and implementation. This paper drawing river ice jam thickness contour map, vertical water flow under the ice jam contour map as an example, the use of Surfer software described in detail various graphics rendering; Focused on the Surfer with VB programming software secondary development to achieve flow numerical simulation after treatment, showed that automatic change the data files to the Surfers;Introduced Active automation technology and Visual Basic Application Program Interface, and the interface technology will combinate VB powerful software development capabilities and Surfer software powerful mapping functions , achieve the key code and the mapping results map examples: under the ice sheet flow velocity field vertical contour map, three-dimensional wire-frame plans, such as flow field vector graphics, and dynamic display and output the graphics.

基于水流数值模拟后处理的方法与实现，本文以绘制河流冰塞厚度等值线图、冰塞下水流纵向流速等值线图为例，详细介绍了运用Surfer软件绘制各种图形的方法；重点阐述了用VB编程对Surfer软件进行二次开发实现水流数值模拟后处理，显示向Surfer数据文件自动转换的过程；介绍了Active自动化技术及其与VB应用程序的接口技术，并利用该接口技术将VB的强大软件开发能力和Surfer软件强大的绘图功能相结合，给出了实现该接口技术的关键代码以及绘制成果图件的实例：冰盖下流速场纵向流速等值线图、三维线框图、流场矢量图等图形，并输出图形与动态显示。

I bought a nice wrist watch as a surprise for my wife's birthday.

我买了一个漂亮的手表想要给我妻子的生日一个惊喜。

We don t expect students to be sponges. You can t expect to absorb everything and not have any questions to ask.

我们并不期待我们的学生是一块海绵，你没可能接收所有的东西而不提出任何问题。