critical strain

例句：

1. 1. The engineer calculated the critical strain to ensure the structure's stability.
   工程师计算了临界应变，以确保结构的稳定性。
2. 2.During the experiment, the researchers observed the critical strain at which the material began to deform.
   在实验中，研究人员观察到材料开始变形的临界应变。
3. 3. The researcher found that the critical strain for the material was lower than expected.
   研究者发现材料的临界应变低于预期。