shape memory alloy的用法和樣例：
例句
- This machine part is made of shape memory alloy.
這個零件是由形狀記憶合金製成的。 - The Fe-based shape memory alloys with high revovery strain free of training can be fabricated through controlling the precipitation with direction of second phases.
通過控制第二相在奧氏體晶粒內的析出方式，使第二相有方向性析出，可製備出免訓練高可回復形變的鐵基形狀記憶合金。
