moment of elasticity

例句：

1. 1.The material has a moment of elasticity that allows it to return to its original shape after being stretched.
   这种材料有一个弹性极限，在被拉伸后可以恢复原状。
2. 2. The scientist discovered the moment of elasticity in the material, which could be used to make stronger and lighter structures.
   科学家发现了材料中的弹性极限，可以用来制造更坚固、更轻便的结构。
3. 3. During the experiment, the object was subjected to a force that exceeded its moment of elasticity, causing it to break.
   实验中，物体受到的力超过了它的弹性极限，导致它断裂。