毕设三项文档之-外文翻译
本科生毕业设计 (论文)
外文翻译
原文标题
Worlds Collide:
Exploring the Use of Social Media Technologies for
Online Learning
译文标题
世界的碰撞：
探索社交媒体技术在在线学习的应用
作者所在系别计算机科学与工程系作者所在专业计算机科学与技术作者所在班级
作者姓名
作者学号
指导教师姓名
指导教师职称讲师
完成时间2013年2月
北华航天工业学院教务处制
注：1. 指导教师对译文进行评阅时应注意以下几个方面：①翻译的外文文献与毕业设计（论文）的主题是否高度相关，并作为外文参考文献列入毕业设计（论文）的参考文献；②翻译的外文文献字数是否达到规定数量（3 000字以上）；③译文语言是否准确、通顺、具有参考价值。
2. 外文原文应以附件的方式置于译文之后。
毕设外文资料翻译.
理工学院 毕业设计外文资料翻译 专业：计算机科学与技术 姓名：马艳丽 学号： 12L0752218 外文出处：The Design and Implementation of 3D Electronic Map of Campus Based on WEBGIS 附件： 1.外文资料翻译译文；2.外文原文。
附件1：外文资料翻译译文 基于WebGIS的校园三维电子地图的设计与实现 一．导言 如今，数字化和信息化是当今时代的主题。随着信息革命和计算机科学的发展，计算机技术已经渗透到科学的各个领域，并引起了许多革命性的变化，在这些科目，古代制图学也不例外。随着技术和文化的不断进步，地图变化的形式和内容也随之更新。在计算机图形学中，地理信息系统（GIS）不断应用到Web，制作和演示的传统方式经历了巨大的变化，由于先进的信息技术的发展，地图的应用已经大大延长。在这些情况下，绘图将面临广阔的发展前景。电子地图是随之应运而生的产品之一。随着计算机技术，计算机图形学理论，遥感技术，航空摄影测量技术和其他相关技术的飞速发展。用户需要的三维可视化，动态的交互性和展示自己的各种地理相关的数据处理和分析，如此多的关注应支付的研究三维地图。东北石油大学及其周边地区的基础上本文设计并建立三维电子地图。 二．系统设计 基于WebGIS的校园三维电子地图系统的具有普通地图的一般特性。通过按键盘上的箭头键（上，下，左，右），可以使地图向相应的方向移动。通过拖动鼠标，可以查看感兴趣的任何一个地方。使用鼠标滚轮，可以控制地图的大小，根据用户的需求来查看不同缩放级别的地图。在地图的左下角会显示当前鼠标的坐标。在一个div层，我们描绘了一个新建筑物的热点，这层可以根据不同的地图图层的显示，它也可以自动调整。通过点击热点，它可以显示热点的具体信息。也可以输入到查询的信息，根据自己的需要，并得到一些相关的信息。此外，通过点击鼠标，人们可以选择检查的三维地图和卫星地图。 主要功能包括： ?用户信息管理：检查用户名和密码，根据权限设置级别的认证，允许不同权限的用户通过互联网登录系统。 ?位置信息查询：系统可以为用户提供模糊查询和快速定位。
计算机专业毕业设计说明书外文翻译(中英对照)
Talking about security loopholes Richard S. Kraus reference to the core network security business objective is to protect the sustainability of the system and data security, This two of the main threats come from the worm outbreaks, hacking attacks, denial of service attacks, Trojan horse. Worms, hacker attacks problems and loopholes closely linked to, if there is major security loopholes have emerged, the entire Internet will be faced with a major challenge. While traditional Trojan and little security loopholes, but recently many Trojan are clever use of the IE loophole let you browse the website at unknowingly were on the move. Security loopholes in the definition of a lot, I have here is a popular saying: can be used to stem the "thought" can not do, and are safety-related deficiencies. This shortcoming can be a matter of design, code realization of the problem. Different perspective of security loo phole s In the classification of a specific procedure is safe from the many loopholes in classification. 1. Classification from the user groups: ● Public loopholes in the software category. If the loopholes in Windows, IE loophole, and so on. ● specialized software loophole. If Oracle loopholes, Apach e,
计算机网络新技术外文翻译文献
计算机网络新技术外文翻译文献 (文档含中英文对照即英文原文和中文翻译) 译文: 计算机网络新技术 摘要 21世纪是一个信息时代的经济，计算机网络技术是这个时期的代表技术，以非常快的、具创造性得不断地发展，并将深入到人民群众的工作，生活和学习中。因此，控制这种技术看起来似乎具有很重要的意义。现在，我主要是采用新技术的几种网络技术在现实生活的应用。 关键字 因特网数字证书数字银包网格存储 3G
1.前言 互联网满36岁，仍然是一个进展中的工作。36年后在加州大学洛杉矶分校的计算机科学家使用15英尺的灰色电缆连接两台笨重的电脑，测试了一种在网络上新的数据交换的方式，这将最终成为互联网依然是一个在取得进展的工作。 大学的研究人员正在试验如何提高网络容量和速度。编程人员正在设法为网页注入更多的智能。并正在进行重新设计网络以减少垃圾邮件（垃圾邮件）和安全麻烦的工作。 与此同时威胁织机：批评人士警告说，商业，法律和政治压力可能会阻碍一些使互联网发展到今天的创新的类型。 斯蒂芬克罗克和温顿瑟夫属于1969年9月2日研究生加入的加州大学洛杉矶分校斯莱昂兰罗克教授工程实验室的团体，作为位无意义的测试数据两台计算机之间默默流动。到第二年的1月，其他三个“节点”加入到了这个网络。 然后是电子邮箱，几年之后，在七十年代后期一个所谓的核心通信协议即TCP / IP 协议，在80年代域名系统和在1990年万维网-现在的第二个最流行的应用背后电子邮件出现了。互联网的扩大，超出其最初的军事和教育领域延伸到了企业和全球的家庭中。 今天，克罗克仍然为互联网工作，为协作设计更好的工具。作为互联网管理机构的安全委员会主席，他正试图保卫系统的核心处理免受来自外部的威胁。 他认识到，他帮助建立的互联网工作远未完成，而这些改变是在商店，以满足多媒体日益增长的需求。网络供应商现唯一的“最佳努力”是在提供的数据包上。克罗克说，需要有更好的保障，以防止跳过和过滤现在常见的视频。 瑟夫，现在在MCI公司说，他希望他建立了有内置安全的互联网。微软，雅虎和美国在线公司，和其他的一些，目前正在努力改进网络，使邮件发送者可以验证的方式发送以降低使用虚假地址发送垃圾邮件。 瑟夫说，现在正在制定许多功能，是不可能立即解决计算速度慢和互联网管道窄，或
1外文文献翻译原文及译文汇总
华北电力大学科技学院 毕业设计（论文）附件 外文文献翻译 学号：121912020115姓名：彭钰钊 所在系别：动力工程系专业班级：测控技术与仪器12K1指导教师：李冰 原文标题：Infrared Remote Control System Abstract 2016 年 4 月 19 日
红外遥控系统 摘要 红外数据通信技术是目前在世界范围内被广泛使用的一种无线连接技术，被众多的硬件和软件平台所支持。红外收发器产品具有成本低，小型化，传输速率快，点对点安全传输，不受电磁干扰等特点，可以实现信息在不同产品之间快速、方便、安全地交换与传送，在短距离无线传输方面拥有十分明显的优势。红外遥控收发系统的设计在具有很高的实用价值，目前红外收发器产品在可携式产品中的应用潜力很大。全世界约有1亿5千万台设备采用红外技术，在电子产品和工业设备、医疗设备等领域广泛使用。绝大多数笔记本电脑和手机都配置红外收发器接口。随着红外数据传输技术更加成熟、成本下降，红外收发器在短距离通讯领域必将得到更广泛的应用。 本系统的设计目的是用红外线作为传输媒质来传输用户的操作信息并由接收电路解调出原始信号，主要用到编码芯片和解码芯片对信号进行调制与解调，其中编码芯片用的是台湾生产的PT2262，解码芯片是PT2272。主要工作原理是：利用编码键盘可以为PT2262提供的输入信息，PT2262对输入的信息进行编码并加载到38KHZ的载波上并调制红外发射二极管并辐射到空间，然后再由接收系统接收到发射的信号并解调出原始信息，由PT2272对原信号进行解码以驱动相应的电路完成用户的操作要求。 关键字：红外线；编码；解码；LM386；红外收发器。 1 绪论
计算机专业外文文献翻译6
外文文献翻译（译成中文2000字左右）： As research laboratories become more automated,new problems are arising for laboratory managers.Rarely does a laboratory purchase all of its automation from a single equipment vendor. As a result,managers are forced to spend money training their users on numerous different software packages while purchasing support contracts for each. This suggests a problem of scalability. In the ideal world,managers could use the same software package to control systems of any size; from single instruments such as pipettors or readers to large robotic systems with up to hundreds of instruments. If such a software package existed, managers would only have to train users on one platform and would be able to source software support from a single vendor. If automation software is written to be scalable, it must also be flexible. Having a platform that can control systems of any size is far less valuable if the end user cannot control every device type they need to use. Similarly, if the software cannot connect to the customer’s Laboratory Information Management System (LIMS) database,it is of limited usefulness. The ideal automation software platform must therefore have an open architecture to provide such connectivity. Two strong reasons to automate a laboratory are increased throughput and improved robustness. It does not make sense to purchase high-speed automation if the controlling software does not maximize throughput of the system. The ideal automation software, therefore, would make use of redundant devices in the system to increase throughput. For example, let us assume that a plate-reading step is the slowest task in a given method. It would make that if the system operator connected another identical reader into the system, the controller software should be able to use both readers, cutting the total throughput time of the reading step in half. While resource pooling provides a clear throughput advantage, it can also be used to make the system more robust. For example, if one of the two readers were to experience some sort of error, the controlling software should be smart enough to route all samples to the working reader without taking the entire system offline. Now that one embodiment of an ideal automation control platform has been described let us see how the use of C++ helps achieving this ideal possible. DISCUSSION C++: An Object-Oriented Language Developed in 1983 by BjarneStroustrup of Bell Labs,C++ helped propel the concept of object-oriented programming into the mainstream.The term ‘‘object-oriented programming language’’ is a familiar phrase that has been in use for decades. But what does it mean? And why is it relevant for automation software? Essentially, a language that is object-oriented provides three important programming mechanisms:
计算机网络体系结构外文翻译
附录A With the new network technology and application of the continuous rapid development of the computer network should. Use of becoming increasingly widespread, the role played by the increasingly important computer networks and human. More inseparable from the lives of the community's reliance on them will keep growing. In order for computers to communicate, they must speak the same language or protocol. In the early days of networking, networks were disorganized in many ways. Companies developed proprietary network technologies that had great difficulties in exchanging information with other or existing technologies; so network interconnections were very hard to build. To solve this problem, the International Organization for Standardization（ISO）created a network model that helps vendors to create networks compatible with each other. Finding the best software is not easy. A better understanding of what you need and asking the right questions makes it easier. The software should be capable of handling challenges specific to your company. If you operate multiple distribution centers, it may be beneficial to create routes with product originating from more than one depot. Few software providers though, are capable of optimizing routes using multiple depots. The provider should be able to support installation of its product. Make sure to clearly understand what training and software maintenance is offered. Obviously, selecting the right routing/scheduling software is critically important. Unfortunately, some companies are using software that may not be best suited to their operation. Logistics actives with responsibility for approving the software ought to be comfortable they've made the right decision. It is important to realize that not all routing/scheduling software is alike！ There questions to ask are：Which operating system is used？How easy is the software to use？Here is a good way to tell. Ask if its graphical user interface（GUI）is flexible. Find out about installation speed - how long does it take？Is the software able to route third party customers with your core business？When was the software originally released and when was it last upgraded？ In 1984, ISO released the Open Systems Interconnection（OSI）reference model,
外文翻译1
译文（一） THE ACCOUNTING REVIEW V ol. 83, No. 3 2008 pp. 823–853 市场参与者的杜邦分析的使用 马克?t?Soliman 华盛顿大学 文摘:杜邦分析,一种常见的财务报表分析，依靠于净营业资产收益率的两个乘法组件:利润率和资产周转率。这两个会计比率衡量不同的构造。因此,有不同的属性。之前的研究已经发现,资产周转率的变化是未来收益的变化正相关。本文全面探讨了杜邦组件和沿着三个维度有助于文学。首先,本文有助于财务报表分析文献,发现在这个会计信息信号实际上是增量学习会计信号在先前的研究在预测未来收益。其次,它有助于文学在股票市场上使用的会计信息通过检查眼前和未来的股本回报投资者应对这些组件。最后,它增加了分析师的文献处理会计信息的再次测试直接和延迟反应的分析师通过同期预测修正以及未来预测错误。一致的跨市场加入者的两组,结果表明是有用的信息就是明证杜邦组件和股票收益之间的联系以及维度分析师预测。然而,我发现预测未来预测错误和异常返回信息处理表明似乎没有完成。平均水平,分析表明杜邦组件代表增量和可行的操作特征信息的公司。 关键词:财务报表分析、杜邦分析、市场回报、分析师预估。 数据可用性:在这项研究中使用的数据是公开的来源显示的文本。 在本文中,我分析杜邦分析中包含的信息是否与股市回报相关和分析师预测。之前的研究文档组件从杜邦分析,分解的净营业资产收益率为利润率和资产周转率,有解释力对未来盈利能力的变化。本文增加了文献综合研究投资者和分析师反应杜邦组件三个维度。首先,它复制先前记录的预测能力和检查是否健壮和增量其他预测已经考虑在文学的存在。其次,它探讨了使用这些组件的股市投资者通过观察同生和未来收益。在同时代的长窗协会和短时期限信息测试,结果显示积极联系杜邦组件和股本回报率。但小未来异常返回交易策略显示的信息可能不完整的处理。最后,检查当前预测修正由卖方分析师和未来的预测错误。尽管他们似乎修改他们的预测未来收益与这些杜邦组件中的信息一致,修订似乎不完整就是明证可预测的未来预测错误。一致的市场参与者,在两组同期结果表明,信息是有用的,但是未来的测试表明,信息处理似乎没有完成。 由金矿和笔者(2001)提供了一个使用剩余收益的股票估值方法框架,给出了一个简单的财务比率分析的直接映射到股票估值。特别是他们用杜邦分析,分解公司的净营业资产收益率(RNOA)利润率(PM)和资产周转率(ATO)点的地方1。PM和ATO会计信号,测量不同结构对一个公司的业务2。PM 往往是来自定价权,如产品创新,产品定位,品牌知名度,先发优势和市场定位。ATO措施资产利用率和效率,通常来自于有效的利用财产,工厂和设备,有效的库存流程;和其他形式的资本管理工作3。 我们有理由期待竞争力量的影响这两个来源盈利能力不同。大的利润率通常吸引新进入者进入市场或快速模仿新思想从现有的竞争对手。由此产生的竞争导致高利润率回归正常水平,暗示更多暂时的利益。与利润不同,然而,竞争可能少威胁要部署一个有效的资产。更难以模仿另一个公司的高效生产流程因为这样模仿通常包括大型和昂贵的改革目前的工厂和操作。 1.具体来说,RNOA营业收入/平均净营业资产,PM营业收入/销售和ATO销售 /平均净营业资产。此后,点和ATO被称为“杜邦公司组成”。另一个常见的形式是分解罗伊(利润杠杆资产周转率)或(NI /产品销售/资产资产/股本)。讨论的“估值理论和RNOA”部分,我在分析使用RNOA为了专注于操作,因此抽象从公司的融资决策。 2.例如,阿伯克龙比和惠誉赚取高额利润通过出售used-looking服装被认为是时髦和青少年所要
毕业设计外文翻译
毕业设计（论文） 外文翻译 题目西安市水源工程中的 水电站设计 专业水利水电工程 班级 学生 指导教师 2016年
研究钢弧形闸门的动态稳定性 牛志国 河海大学水利水电工程学院，中国南京，邮编210098 nzg_197901@https://www.360docs.net/doc/2612816590.html,，niuzhiguo@https://www.360docs.net/doc/2612816590.html, 李同春 河海大学水利水电工程学院，中国南京，邮编210098 ltchhu@https://www.360docs.net/doc/2612816590.html, 摘要 由于钢弧形闸门的结构特征和弹力，调查对参数共振的弧形闸门的臂一直是研究领域的热点话题弧形弧形闸门的动力稳定性。在这个论文中，简化空间框架作为分析模型，根据弹性体薄壁结构的扰动方程和梁单元模型和薄壁结构的梁单元模型，动态不稳定区域的弧形闸门可以通过有限元的方法，应用有限元的方法计算动态不稳定性的主要区域的弧形弧形闸门工作。此外，结合物理和数值模型，对识别新方法的参数共振钢弧形闸门提出了调查，本文不仅是重要的改进弧形闸门的参数振动的计算方法，但也为进一步研究弧形弧形闸门结构的动态稳定性打下了坚实的基础。 简介 低举升力，没有门槽，好流型，和操作方便等优点，使钢弧形闸门已经广泛应用于水工建筑物。弧形闸门的结构特点是液压完全作用于弧形闸门，通过门叶和主大梁，所以弧形闸门臂是主要的组件确保弧形闸门安全操作。如果周期性轴向载荷作用于手臂，手臂的不稳定是在一定条件下可能发生。调查指出:在弧形闸门的20次事故中，除了极特殊的破坏情况下，弧形闸门的破坏的原因是弧形闸门臂的不稳定;此外，明显的动态作用下发生破坏。例如:张山闸，位于中国的江苏省，包括36个弧形闸门。当一个弧形闸门打开放水时，门被破坏了，而其他弧形闸门则关闭，受到静态静水压力仍然是一样的，很明显，一个动态的加载是造成的弧形闸门破坏一个主要因素。因此弧形闸门臂的动态不稳定是造成弧形闸门(特别是低水头的弧形闸门)破坏的主要原是毫无疑问。
计算机专业外文翻译
专业外文翻译 题目JSP Technology Conspectus and Specialties 系（院）计算机系 专业计算机科学与技术 班级 学生姓名 学号 指导教师 职称讲师 二〇一三年五月十六日
JSP Technology Conspectus and Specialties The JSP (Java Server Pages) technology is used by the Sun micro-system issued by the company to develop dynamic Web application technology. With its easy, cross-platform, in many dynamic Web application programming languages, in a short span of a few years, has formed a complete set of standards, and widely used in electronic commerce, etc. In China, the JSP now also got more extensive attention; get a good development, more and more dynamic website to JSP technology. The related technologies of JSP are briefly introduced. The JSP a simple technology can quickly and with the method of generating Web pages. Use the JSP technology Web page can be easily display dynamic content. The JSP technology are designed to make the construction based on Web applications easier and efficient, and these applications and various Web server, application server, the browser and development tools work together. The JSP technology isn't the only dynamic web technology, also not the first one, in the JSP technology existed before the emergence of several excellent dynamic web technologies, such as CGI, ASP, etc. With the introduction of these technologies under dynamic web technology, the development and the JSP. Technical JSP the development background and development history In web brief history, from a world wide web that most of the network information static on stock transactions evolution to acquisition of an operation and infrastructure. In a variety of applications, may be used for based on Web client, look no restrictions. Based on the browser client applications than traditional based on client/server applications has several advantages. These benefits include almost no limit client access and extremely simplified application deployment and management (to update an application, management personnel only need to change the program on a server, not thousands of installation in client applications). So, the software industry is rapidly to build on the client browser multilayer application. The rapid growth of exquisite based Web application requirements development of
计算机网络外文翻译
附录 一、英文原文： The NetWorks Birth of the Net The Internet has had a relatively brief, but explosive history so far. It grew out of an experiment begun in the 1960's by the U.S. Department of Defense. The DoD wanted to create a computer network that would continue to function in the event of a disaster, such as a nuclear war. If part of the network were damaged or destroyed, the rest of the system still had to work. That network was ARPANET, which linked U.S. scientific and academic researchers. It was the forerunner of today's Internet. In 1985, the National Science Foundation (NSF) created NSFNET, a series of networks for research and education communication. Based on ARPANET protocols, the NSFNET created a national backbone service, provided free to any U.S. research and educational institution. At the same time, regional networks were created to link individual institutions with the national backbone service. NSFNET grew rapidly as people discovered its potential, and as new software applications were created to make access easier. Corporations such as Sprint and MCI began to build their own networks, which they linked to NSFNET. As commercial firms and other regional network providers have taken over the operation of the major Internet arteries, NSF has withdrawn from the backbone business. NSF also coordinated a service called InterNIC, which registered all addresses on the Internet so that data could be routed to the right system. This service has now been taken over by Network Solutions, Inc., in cooperation with NSF. How the Web Works The World Wide Web, the graphical portion of the Internet, is the most popular part of the Internet by far. Once you spend time on the Web,you will begin to feel like there is no limit to what you can discover. The Web allows rich and diverse communication by displaying text, graphics, animation, photos, sound and video. So just what is this miraculous creation? The Web physically consists of your personal computer, web browser software, a connection to an Internet service provider, computers called servers that host digital data and routers and switches to direct the flow of information. The Web is known as a client-server system. Your computer is the client; the remote computers that store electronic files are the servers. Here's how it works: Let's say you want to pay a visit to the the Louvre museum website. First you enter the address or URL of the website in your web browser (more about this shortly). Then your browser requests the web page from the web server that hosts the Louvre's site. The Louvre's server sends the data over the Internet to your computer. Your web
5外文翻译原文1
A Case Study of Pattern-based Software Framework to Improve the Quality of Software Development Chih-Hung Chang, Chih-Wei Lu Dept. of Information Management, Hsiuping Institute of Technology No.11, Gongye Rd., Dali City, Taichung County, Taiwan(R.O.C.) 886-4-24961123 ext 3112 {chchang,cwlu}@ https://www.360docs.net/doc/2612816590.html,.tw William C. Chu Dept. of Computer Science and Information Engineering, Tunghai University No.181, Sec. 3, Taichung Port Rd.,Taichung City, Taiwan (R.O.C.) 886-4-23508983 cchu@https://www.360docs.net/doc/2612816590.html,.tw Nien-Lin Hsueh Dept. of Information Engineering and Computer Science, Feng Chia University No. 100 Wenhwa Rd., Taichung, Taiwan (R.O.C.) 886-4- 24517250 ext 3773 nlhsueh@https://www.360docs.net/doc/2612816590.html,.tw Chorng-Shiuh Koong Dept. of Computer and Information Science, Taichung University No.140, Ming-Sheng Rd., Taichung City, Taiwan (R.O.C.) 886-4-22183804 csko@https://www.360docs.net/doc/2612816590.html,.tw ABSTRACT In recent years, development of the software industry and demand for software systems have increased rapidly, but developers often does not know whose suggestion to follow regarding methodologies of software engineering. One reason for that is the difficulty in applying new software engineering technologies. Developers take a long time to train. Another reason is the difficulty in integrating CASE toolsets. So many indeterminate factors make the development process more and more complex. On the other hand, software development is too customized, and software reuse is difficult. T he reasons above are the cause for software development and maintenance to become more complex and difficult to control. In this paper we explore the importation of a software pattern-based framework, and the development of an ERP/support chain system. Based on software patterns, developers can separate development and business so as to reduce problems caused by the developer’s lack of business experience. T he quality of the product can thus be enhanced, software development costs be reduced, and software maintenance be improved. Keywords Design Pattern, Framework, Software Development Process, XML 1.INTRODUCTION In Object-Oriented T echnology, the property of inheritance allows software components to be reused, which can obviously reduce the cost of software development. For this reason, to produce a highly reusable software component is an important goal of software engineering. However, programmers are usually focused on code reuse while ignoring design reuse. Design patterns provide a clear concept of design structure by describing the relationships of inheritance and reference between components of the system. Design patterns are a series of familiar usages and constructions utilized throughout system design. Design patterns allow rapid coding of certain components by following certain patterns of steps. T his can improve the documentation and maintenance of existing systems by providing an explicit specification of class, object interactions and their underlying intents. One of the main purposes of design patterns is to help software engineers to understand the common characteristics of software objects/components in specialized domain. In recent years, due to the development and maturation of WWW and Java [14] technologies, many applications are now web applications or leaning in that direction. Many software concepts are utilized for the web as well, such as Design Patterns and Frameworks. The Apache Struts [12] and Spring Framework [13] are both open source frameworks used to address and reduce the complexity of developing an enterprise application. T he advantage of using a framework is the layered architecture it provides. Layered architecture allowed users to choose the component desired, while also providing the integration framework when developing application using J2EE. T hese developing web concepts can facilitate the development of web applications. However, these very useful tools and concepts lack a systematic organization. We hope to use these open source software technologies to develop a software framework which can be applied to web application. T his should solve the problem of web applications lacking a good structure, while through applying these open source software technologies, software development costs will be reduced. Furthermore, a guideline for programmers who wants to use these open source technologies will be provided. This paper is organized as follows: In the next section, we discuss works related to our project; in section 3, the open source technologies used in the paper and the system implementation will be described; Section 4 is a sample experiment. T he conclusion is given in section 5.