decay modulus

例句：

1. 1.The decay modulus of the material is critical for its strength and durability.
   材料的衰减模数对其强度和耐久性至关重要。
2. 2.The measurement of decay modulus is crucial for predicting the lifespan of structures.
   衰减模量的测量对于预测结构的使用寿命至关重要。
3. 3. The study of decay modulus has significant implications for earthquake engineering.
   衰减模量的研究对地震工程具有重要意义。