该程序是一个学生成绩统计分析系统，可以实现对学生资料和成绩进行录入，修改，分析，排名等功能，需应用者根据程序自行进行学生成绩的录入。-The program is a student achievement Statistical Analysis System, you can input, modify, student data and results analysis, ranking and other functions need to be applied under the pr