Gradenn.格拉登（音译名）graden.等级；年级；成绩；斜坡v.分级；评分；渐次变化grade stability index品位稳定率grade-school pupils小学生Grade-tonnage model品位-吨位模型grades of TC disaster灾害等级grade of intelligence智力graded potential well渐变势阱graded response items分级式作答试题grade of silk quality成熟度grade measuring table等级量表graded shunt arrester多级分路避雷器