deformation observation

例句：

1. 1. The research on thedeformation of materials is crucial for understanding theirbehavior under stress.
   对材料变形的研究对于理解其在应力下的行为至关重要。
2. 2. During the experiment, we observed the deformation of the sampleunder different conditions.
   在实验过程中，我们观察到了样品在不同条件下的变形。
3. 3. The deformationof the structure during the earthquake was acause for concern.
   地震期间结构变形是一个令人担忧的问题。