硬度梯度变化
hardness gradient changes
变密度梯度材料
FGM with density gradient
变质变形
metamorphism and deformation
metamorphism-deformation
变质变形期次
metamorphic-deformation episode
变质变形作用
Metamoiphism and deformation
变质变形作用特征
Deterioration distortion function characteristic
反梯度变换
contragradient transformation
固定磁场交变梯度
fixed field alternating gradient
固定磁场交变梯度聚焦加速器
fixed field alternating gradient accelerator
固定磁场交变梯度同步加速器
fixed field alternating gradient synchrotron