急急急！请英语高手帮忙翻译成英文摘要，不要翻译软件的译，谢谢合作。悬殊10分，不好意思我就这么多分

摘要：校园网的长期建设是大学发展建设中不可缺少的一部分，学校需要制定相应的发展规划有目的有计划的对校园网进行升级改造，使之更加完善。
论文主要从三个方向对校园网进行升级改造：
第一：校园骨干网的升级。文中对我校校园骨干网的拓扑结构、现有的核心层设备和汇聚层设备的性能、万兆以太网的优势、主要IT厂商的核心产品及相应的万兆以太网方案进行了研究，对核心设备的选型进行了分析研究，最终确定选择锐捷万兆以太网方案。根据我校的实际需求，重新设计了骨干网的结构。最后完成了湖南科技大学校园网网络拓扑图的设计，骨干网改造的详细方案。
第二：无线校园网的建设。文中对无线校园网进行了需求分析，通过对无线局域网的理论知识、无线网络的标准、IT厂商的无线产品和方案的分析研究，确定了我校无线校园网的规划建设方案。室内方案对两校图书馆进行了无线网网络的规划，室外方案完成了北院图书馆、八教学楼、外国语学院三个热点区域的无线网络规划。同时，成功设计了湖南科技大学无线校园网整体建设的完整网络拓扑图。
第三：校园一卡通系统。系统分为：卡管理中心、财务清算中心、银行转账系统、财务收费系统、综合清算系统、机房计费管理系统、智能控电系统、考务管理系统、WEB查询系统、图书管理系统10个模块。

Abstract: The campus network is the building of the University of the long-term development and construction of an indispensable part of, schools need to develop the appropriate development plans have the purpose of a planned campus network upgrading to make it more perfect.
Papers from three directions on the main campus network upgrading:
First: campus backbone network upgrade. In my school CAMPUS BACKBONE network topology, the core of the existing equipment and pool-equipment performance, the advantages of 10 Gigabit Ethernet, the major IT vendors core products and the corresponding 10 Gigabit Ethernet programmes have been studied , The selection of core equipment for the analysis and study, Czech Republic, Rui final 10 Gigabit Ethernet option programme. According to the actual needs of our school, re-design the structure of the backbone network. Finally completed the Hunan University of Science and Technology campus network design of the network topology, the backbone of a detailed programme.
Second: wireless campus network building. In the wireless campus network needs analysis conducted through the theoretical knowledge of the wireless LAN, wireless network standards, IT vendors of wireless products and programmes of research, I established a school campus wireless network planning and construction programme. Indoor programmes of the two school libraries for the network's radio network planning, outdoor programme of the Library completed the North, eight school buildings, the Institute of Foreign Languages three regional hot spots of wireless network planning. At the same time, the successful design of the Hunan University of Science and Technology wireless campus network overall integrity of the building of network topology.
Third: Campus Card System. System is divided into: Card Management Centre, the financial settlement center, bank transfer system, financial system, integrated settlement system, the engine room accounting management system, intelligent control systems, and test management system, WEB enquiry system, library management system 10 Module.

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