grade A甲级
graden.等级;年级;成绩;斜坡v.分级;评分;渐次变化
grade separation structure立体交叉结构
grade characteristic value级别特征值
grade duty nursing pattern分层次使用
grade of aseismatic design抗震等级
graded-index glass fiber渐变折射率玻璃纤维
graded junction transistor缓变结型晶体管
Grade of Flood Damage loss洪水灾害灾情等级评价