1、因此,一个可以在任意时刻都可以很方便的查询图书馆书籍等信息的 网上【图书馆管理系统】能够极大的方便管理员及学生的日常生活,有着十分重要的现实意义 二、 任务概述 该单位图书馆现为人工管理,效率低,易比错,手续繁琐,而且耗费大量的人力。图书馆希望设计一个图书管理系统,用于管理读者的登记,图书的购入、借出、归还以及注销等。并且方便管理人员还查阅某位读者、某本图书的借阅情况。并可加快对当前借阅情况统计的效率,以全面掌握图书的流通情况、提高工作效率、加快信息反馈,为读者提供满意的借阅环境。三、 数据描述 3.1处理流程和数据流程 图书信息按分类号和作者号对书籍进行分类,编写好编号后入库;学生凭图书证最
2、大限度可借6本,借书期为2个月,续借后,借书期可增加1个月(寒暑假另订);教职工凭有效证件,最大限度可借书10本,借书期为1个月,续借后,借书期可增加30天。并要求在借书期期间还书;若超过借书期,则根据超期1天0.1元进行处罚,若款项未交,则将行使借书的权力;管理员登记图书借还及处罚情况. tliver cell cancer, pancreatic inflammatory, pancreatic cancer various type nephritis, kidney failure, bladder inflammatory various goiter, thyroid gland
3、tumor, thyroid cancer bone joint system bone loose, and bone metabolism disease, and endocrine bone disease According to the professional future work in selected non-specified sections (including Pediatrics, Neurology, etc) Web (you can select a Department). ? Pediatric rotation learn: awareness . (
4、2) ultrasound imaging in this specialized training, further improve the clinical ability. Requirements are as follows: 1) deepen learning and mastering basic theories and clinical knowledge relating to this group, including ultrasound and Interventional ultrasound therapy. 2) mastering clinical ultr
5、asound in diagnosis and differential diagnosis of diseases, as well as writing in the report. All display techniques, measurement of main organs and standards section and correct measurement of Doppler flow parameters. Familiar with the imaging examination and diagnosis of various quality control st
6、andards, to further improve the imaging examinations and diagnosis level 3) combine clinical work, basic grasp the operation methods of Interventional ultrasound, ultrasonic treatment on disease indications, the value and the limits of the system. 4) basic knowledge common diseases in different syst
7、ems, different imaging method. Clinical ultrasound learning disease species and cases requirements: System disease/operation name cases number (?) digestive system hepatitis, cirrhosis, fat liver, liver abscess, liver vascular tumor, liver cell cancer, liver transfer tumor 3.2系统数据流程图 下图是图书馆管理系统的数据流程
8、图,它全面描述了该系统逻辑模型。3.3 数据字典 1)数据元素 数据元素条目 数据元素名称:用户密码 别名:userpass 长度:16 描述:用户登录系统的密码 有关的数据结构:User 数据元素条目 图书分类编号 别名:Bookindex 类型:数值型 长度:10 图书分类的编号 tliver cell cancer, pancreatic inflammatory, pancreatic cancer various type nephritis, kidney failure, bladder inflammatory various goiter, thyroid gland tum
9、or, thyroid cancer bone joint system bone loose, and bone metabolism disease, and endocrine bone disease According to the professional future work in selected non-specified sections (including Pediatrics, Neurology, etc) Web (you can select a Department). ?读者编号 别名:Readerindex 类型:区分读者的唯一标识 数据元素条目 图书名
10、称 别名:BookName 类型:文本型 50 图书的名称 2)数据流条目 数据流条目 数据流名称:添加读者 简述:进入读者管理可进行添加 数据来源:读者资料 数据流向:读者信息表 包含的数据结构:查询结果 从图书信息表中检索信息 数据来源:图书信息表 查询读者信息 简述:读者登录后可进行查询 数据来源:读者信息查询窗口 tliver cell cancer, pancreatic inflammatory, pancreatic cancer various type nephritis, kidney failure, bladder inflammatory various goiter
11、, thyroid gland tumor, thyroid cancer bone joint system bone loose, and bone metabolism disease, and endocrine bone disease According to the professional future work in selected non-specified sections (including Pediatrics, Neurology, etc) Web (you can select a Department). ? awareness . (2) ultrasound imaging in this specialized training, further im
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