学生成绩查询系统，有查询学生成绩，增加学生参加记录，删除学生成绩记录，按成绩排序，保存功能，界面也十分优美，是不错的c++学习源程序-Student achievement query system, a query student achievement, increase student participation records, delete records of student achievement, according to results sorting, saving, the