A.間隙原子B.空位C.晶界D.置換原子
A.自發(fā)形核(異質(zhì)形核) B.非自發(fā)形核(異質(zhì)形核) C.自發(fā)形核(均質(zhì)形核) D.非自發(fā)形核(均質(zhì)形核)