要求能添加、更新和删除和查询学生信息的功能，每条记录应该有：学号、姓名、宿舍号码、所在系、年级。
Request to add, update, and delete student information and query functions, each record should have: student ID, name, number of quarters, where the line, grade.
对学生的基本信息进行简单查询，查询较灵活，可进行模糊查询和不同的编号、不同范围的查询。
The basic information of students is flexible, simple, and can query fuzzy query and different Numbers and scope of inquiry.
学生可以通过此系统进行个人信息、考试成绩查询以及课程查询功能。
Students can use this system for personal information, test scores and course queries query function.
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