complex modulus

例句：

1. 1. The engineer calculated the complex modulus of the beam to ensure its stability.
   工程师计算了梁的复数模量，以确保其稳定性。
2. 2.The researchers found that the complex modulus of the material had a significant impact on its strength.
   研究人员发现，材料的复数模量对其强度有显著影响。
3. 3. In engineering, the complex modulus is crucial for designing structures that can withstand high loads.
   在工程中，复数模量对于设计能够承受高负载的结构至关重要。