grade A甲级
graden.等级;年级;成绩;斜坡v.分级;评分;渐次变化
graded insulated transformer分级绝缘变压器
graded index multimode fiber递级折射率多模式光学纤维
graded depolarizing response分级去极化反应
graded broken stone pavement级配碎(砾)石路面
Grade A Class Three hospital三级甲等医院
grade of ecological security生态安全等级
graded spherical quantum dot球形梯度量子点
graded-index optical fiber渐变折射率光学纤维