mechanical vibrations的用法和样例：
例句
- Mechanical shock may significantly alter the resistance by dislodging particles of the conductive material.
由于机械振动引起导电材料的微粒移动，可能会大大改变电阻的数值。 - The rest escapes as sound waves, mechanical vibrations that heat the chromosphere, the middle layer of the sun's atmosphere.
其余部分则以声波即机械振动的形式散逸，它们加热了太阳大气的中间一层，即色球层。
