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It order to overcome the difficulties in representation of developable surface s utilizing traditional approaches,based the concept of duality between points and planes in 3D projective space, a direct explicit method of computer-aided design for developable surface s was presented.

基于三维射影空间中点和平面间的对偶性，提出了计算机辅助设计五次样条上可展曲面的一种简单且有效的方法，通过采用该方法，可利用具有B啨zier和B样条基的控制平面设计可展曲面。

Innovatively searches the better clutter restrain method, and tries to solve the difficulties of low speed target detection. The major devotement of this dissertation as follows.

本论文主要研究了动目标检测并在SAR图像上定位技术，寻找性能良好的杂波消除方法是其关键，同时试图解决慢速目标的检测和多运动目标的联合检测这个难点。

My name is XX,24 years old,Koreaner,and graduated from XX major on july this year.i have dad ,mom,and sister in my family.father is a worker in a airport,while mother is a teacher.i grew up at such traditional family,so parents were strict with me,they tought me much.until graduation from high school,I was able to enterYanbian University without parents' care.instead of feeling reluctant to part with parents,I was imvolved in new life rapidly.because of my lively personality and easy-going,teachers and classmates spoke highly of me.at other times,I loved reading and searching information in the internet.morover,I reinforced own Korean,english and computer competency continuously,took advantage of two years to study korean in the opportunity class,and then met many foreign friends to proceed mutual learning as partners.over my four-studing out of home,I cultivated strong characteristic,which made me overcome many difficulties from studying nad living.i majored in education technology ,the professional subjects contain three aspects about hardware and software on computer,education and use of multimedia,for example,OFFICE software,IMAGE-PROCE ING software,NLE software and various computer language,data organization,digit circuit,education,educational psychology,distance learning etc.i valuing practice often do come part-time jobs to accumulate some social practice experiences by making use of outside school hours ,except for the basic curriculums in the school.in my leasure time,I often go sporting,such as mountaineering,swimming,riding bicycle and so on,as well as paricipation some activities organized by sc

我叫XX，今年24岁，朝鲜族，今年7月毕业于XX专业。家庭成员有爸爸、妈妈和姐姐，父亲是一名飞机厂工人，母亲是一名人民教师，从小在这样传统的家庭中成长，父母对我的管教也很严格，教会了我许多做人的道理。直到高中毕业，离开父母呵护的臂膀来到了延边大学，没有对家的恋恋不舍，而是很快的融入到了新的生活中，由于我的性格活泼开朗并且随和，老师和同学们对我的评价也都非常好，平时我喜欢看书和上网浏览信息，另外不断加强自身的韩国语、英语和计算机能力，利用两年时间在补习班学习了韩国语，并认识了许多外国朋友结成partner互补学习，在外求学的四年中，我养成了坚强的性格，使我克服了许多学习上和生活中的一些困难。我的专业是教育技术学，专业课程包括计算机的硬件及软件、教育学和多媒体的使用三大方面。OFFICE软件、图象处理软件、非编软件以及各种计算机语言数据结构，数字电路，教育学、教育心理学、远程教育等。注重实践的我除了学校的基本课程外，经常利用课余时间做一些兼职以积累一定的社会实践经验，平时还喜欢做一些运动，例如登山、游泳、骑自行车等，并经常参加学校里组织的一些活动。开朗乐观是我对待生活的态度，吃苦耐劳是我对待工作的原则。

A solution to solve the difficulties of digitalization in Small and Medium-sized Enterprises is proposed.

引 言信息是管理决策的重要依据，是企业的宝贵资源；信息管理系统是企业的"神经系统"。

The lowering of mining dilution ratio and loss ratio is one of major difficulties in front of mining researchers.

采矿贫化率与损失率的降低是采矿工作者重点研究和攻克的难点之一。

Christopher Dodd said -- before a congressional panel reinforced the depth of their difficulties and the possible diminishment of their political clout.

多德的说法，这些公司"毕恭毕敬地"出现在国会一个委员会面前彰显出它们所面临困难的严重程度和其政治实力的下降。

That the companies were convening --'hat in hand,' as Sen. Christopher Dodd said -- before a congressional panel reinforced the depth of their difficulties and the possible diminishment of their political clout.

按民主党参议员克里斯托弗·多德的说法，这些公司"毕恭毕敬地"出现在国会一个委员会面前彰显出它们所面临困难的严重程度和其政治实力的下降。

By using this direct memory access transfer technology,system characters can be improved,CPU efficiency is enhanced and the difficulties of realizing the large high speed buffer are resolved.

利用DMA直接内存存取的数据传输技术，提高了系统性能，解放了CPU，解决了大量数据高速采集的问题。

At last, we are concerned with the global existence and asymptotic behavior of smooth solution to the initial boundary value problem for the bipolar hydrodynamic model with the Neumann and Dirichlet boundary condition in the one-dimensional case, respectively. The difficulties from the coupled action between electrons and holes are carefully dealt with.

另外，本文也深入研究一维空间双极半导体流体动力学模型初边值问题光滑解的整体存在性及其衰减性，分别讨论了两类在实际应用中重要的边值条件，克服了由于电子和空穴之间的耦合作用所带来的困难。

Based on these, a new numerical method for the Dirichlet problem is proposed in this thesis. This method overcomes the difficulties and limitations resulting from others. It shows that solving problems in analysis by probability theory has a bright future both in theory and practice.

本学位论文，正是注意到了这些现象，提出了一种求解Dirichlet问题的新数值方法，克服了以往使用其它数值方法时常常遇到的困难和局限性，显示了分析数学中的问题借助概率理论来解决有着广阔的前景，在理论上和实际中都有着很好的意义。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。