请前辈帮忙看看

sunyeu

在一所德国高校的申请页面看到需要提交下面的这个材料，想问下大家有遇到过吗？我不太清楚这个说的是什么意思，希望各位能帮忙解答一下
Official explanation of the university grading system  
Official explanation of your university grading system issued by your registrar, dean, or academic supervisor, indicating at least the maximum passing grade, the minimum passing grade and the minimum passing grade for graduation.