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Graded Missile Control分级导弹控制grade of freeze injury冻害等级graded composite media梯度复合介质grade extent structure等级规模结构graded filtering media级配滤料Grade A Travel Service一级旅行社graded response models等级反应模型graded doses of a drug药物的分级剂量graded base transistor缓变基极晶体管Grade-two is managed两级管理