impurityn.不纯;杂质
impurity range杂质区
impurity atoms杂质原子
impurity phase杂质相
impurity state杂质态
Impurity doped掺杂
impurity level杂质能级
Impurity modes杂质模
impurity doping掺杂
impurity center杂质中心
impurity damage杂质损伤