It is showed that twin dislocation is the activated step of the migration of twin-plane boundary during recrystallization.
指出，孪晶位错是再结晶过程中，孪晶界面迁移的激活台阶。
2
The plane is an eight-seater with twin propellers.
这是一架有八个座位的双螺旋桨飞机。
《柯林斯英汉双解大词典》
3
For the Twin Otter plane - about the only plane that can operate up here - you need a flat area 305 metres long, 30m wide with an average of 60cm ice thickness.