ground motions

• 地震动

ground motions的用法和样例：

例句

1. I can feel the ground shaking slightly.
   我能感觉到地面在轻微地震动。
2. Currently, predication of near-fault strong ground motion is one of key problems in earthquake engineering.
   摘要近断层地震动的预测是当前地震工程中的一个关键科学问题。