initial shear stress ratio

例句：

1. 1. The initial shear stress is critical to the stability of the structure.
   初始剪切应力对结构的稳定性至关重要。
2. 2.The initial shear stress ratio is used to determine the strength of the material.
   初始剪切应力比用于确定材料的强度。
3. 3. In this study, we measured the initial shear stress ratio of different materials.
   在这项研究中，我们测量了不同材料初始剪切应力比。