free-damped vibration

例句：

1. 1.The free-damped vibration of thebuilding is a major concern for engineers.
   建筑物的自由阻尼振动是工程师们的主要关注点。
2. 2. In this experiment, weobserved the free-damped vibration ofa spring.
   在这个实验中，我们观察到弹簧的自由阻尼振动。
3. 3. The free-damped vibration of the system can beused to predict its stability.
   系统的自由阻尼振动可以用来预测其稳定性。