stress-strain relationship

例句：

1. 1. The stress-strain relationship is crucial for understanding the mechanical properties of materials.
   应力-应变关系对于理解材料力学性质至关重要。
2. 2. In this experiment, we observed the stress-strain relationship between the applied force and the deformation of the material.
   在这个实验中，我们观察到了施加力与材料变形之间的应力-应变关系。
3. 3. The stress-strain relationship can be used to predict the failure of a structure under load.
   应力-应变关系可以用来预测结构在载荷作用下的破坏。