The electricity companies spend a lot of money each year, cutting the harm of transformers, trying to quiet the noise and maintaining equipment that is constantly affected byvibration.
电力公司每年花费大量资金，减少变压器的危害，试图降低噪音，维护经常受到振动影响的设备。
2
Sometimes, people could finish some work byvibration theory.
有时，人们利用振动原理来完成某些工作。
3
Breathing during sleep with harsh noises caused byvibration of the uv ula or soft palate.