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["学习中心优秀毕业生上报表"]
["学习中心名称",{"$nulls":4},"上报时间"]
["名次","学习中心","姓名","学号","层次","平均成绩","备注"]
{"$rows_empty":18}
["注：学生课程成绩 优秀=90分 良好=80分 中等=70分 及格=60分 "]