卸去外加应力，对其进行回复退火，合金发生逆转变，即从马氏体转变为奥氏体。
The reverse transformation of martensite to austenite takes place when the alloys are annealed after the external stress is unloaded.
退火孪晶形成于回复阶段，是大角度界面的迁移结果。
The formation of annealing twins was the result of migration of high Angle boundary during the recovery.
在相同退火温度条件下，随着退火时间的延长，电池性能回复越多；
In the same annealing temperature, the property of solar cells recovery as the anneal time goes;
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