学生成绩管理系统的设计，DOS界面，允许输入学生姓名和其科目成绩、允许删除学生的所有信息和能够查询显示对应学生姓名的成绩。-Student achievement management system design, DOS interface, allowing students to enter the names and accomplishments of its subjects, allowing students to delete all the information and be able to query the names of the students show the corresponding results.