elastic hardness

例句：

1. 1.The material has a high elastic hardness, which makes it resistant to wear and tear.
   这种材料具有很高的弹性硬度，因此能够抵抗磨损。
2. 2. The engineer used the data to calculate the elastic hardness of the material.
   工程师使用这些数据来计算材料的弹性硬度。
3. 3. The new design aims to improve the elastic hardness of the material for better performance.
   新设计旨在提高材料的弹性硬度，以获得更好的性能。