contact vibration

例句：

1. 1. The device's ability to detect vibrations in theair is key to its function.
   该设备检测空气中振动的能力是其功能的关键。
2. 2. Thevibrations caused by the earthquake were feltthroughout the city.
   地震引起的振动在整个城市都能感觉到。
3. 3. The research focused on understanding the mechanicalproperties of materials under contact vibration.
   研究专注于理解材料在接触振动下的材料力学性质。