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1. Oxford Dictionary

   shape memory

   • n.
     a property exhibited by certain alloys of recovering their initial shape when they are heated after having been plastically deformed

   • noun: shape memory

2. • 釋義

   n.

   名詞

   • 1. a property exhibited by certain alloys of recovering their initial shape when they are heated after having been plastically deformed commercial shape-memory alloys are usually copper-based