beam impedance

例句：

1. 1.The beam impedance of the bridge is critical for its stability.
   桥的梁阻抗对于其稳定性至关重要。
2. 2. The engineers carefully measured the beam impedance to ensure the accuracy of the calculations.
   工程师们仔细测量了梁阻抗，以确保计算的准确性。
3. 3.In this study, we investigated the effects of different beam impedance on the performance of the system.
   在这项研究中，我们探讨了不同的梁阻抗对系统性能的影响。