网络工程专业外文翻译

1、毕业设计外文资料翻译题 目 基于WEB的网上选课系统的设计与实现 Key Techniques for Web CourseChoosing System Design and ConstructionAbstract：The Web CourseChoosing is the core that the credit system management reforms ，at present，the Web CourseChoosing system that every enterprises and colleges and universities already develop out，13o sttong or because of the diversity managing a pattern or because of system general availability，can be used being put in use directly having pretty big difficultyDeveloped out the Web CourseChoo

2、sing adapting to our college credit system requiresIn this paper，three key techniques of W eb Co urseChoosing design were given：O0，system security。Data optimizedUsing JSP technology，the Web CourseChoosing system with the functions of data input，query，statistics was also givenGave technical and methodology supports for understanding the Web CourseChoosing system structural design，making full use of current practical projects，and solving the practical problems as well as paved the way of implement

3、ation of the Web CourseChoosing system based credit support systemKey words：Web coursechoosing ；system design；key techniques；constructionIntroductionOnline course selection is an important part of teaching management of credit system, its characteristics can be summarized as a training model of diversity, autonomy of selective learning content, learning processes, learning flexibility of time and space. Flexible teaching management mode of a significant increase in impact of traditional, manual

4、approach does not suit the new management mode, all colleges and universities in research to adapt to the new mode of teaching administration of network course selection system. At present, the College developed a system for close connection with the College teaching management mode, so the software versatility is not high, often only apply to colleges and universities. Software versatility of enterprise development was strong, but later maintenance and redevelopment more difficult. Based on the

5、 above reasons, Nanyang Institute of technology has developed online course selection system based on teaching management of credit system.1. Analysis of course-choosing system requirements 1.1 Students on course selection system functional requirements analysis Students in the courses of the requirements within the time period, log on to the system as an optional course, by-election, in the course selection process to be able to query the professional teaching program, instructors, such as scie

6、ntific research, after the end of the course to be able to browse individual curricula, while allowing students access to personal files and all subjects.1.2 Teachers course-selecting system functional requirements analysisTeachers can use the system, maintain their own research and archival information, other teachers have access to part of the research, to be able to query your course schedule, can query the courses students, to entry the students, to on course score for statistical analysis,

7、inspection under the teaching plan and teaching schedule, and so on.1.3 Manager course-selecting system functional requirements analysisManagers use the system to develop the teaching plan, have access to teaching schedule tasks, have access to all courses, students and teachers have access to basic information, to carry out all kinds of statistics, and so on.2. Key technologies for design of network course selection system and method 2.1 System design process2.1.1 Database designDatabase design

8、 is reasonable, is the key to the smooth running of the Office software system. Online course selection through to serious research, teaching and foreign colleges and universities in the province runs the entire process means of tracking the implementation of requirements analysis, design of the e-r model, associate system functions and data structures, and are reflected in the database design process. The system database reference education management information standard under, combination I s

9、chool actual of Senate teaching management mode for design, while meet relationship database of entity integrity, and reference integrity, and user defined integrity requirements, using main key and outside key implementation data of integrity, using since defined of constraints conditions to reduced entry of complex of and errors rate, using trigger mechanism enhanced reference integrity and control database of changes, using storage process reduced database development personnel workload, improve database implementation speed. Foreground and background common to access a database server systems, taking into account the large amounts of data the system itself (such as students basic information basic information basic information, courses, teachers and more than more than 40) and the relationships between data, in accordance with the relational database paradigm o

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