noise band

例句：

1. 1.The noise band of the radio is too loud.
   收音机的噪音带太响了。
2. 2.The noise band of the car engine is very high.
   汽车发动机的噪音带非常高。
3. 3.The noise band of the city is becoming increasingly louder.
   城市的噪音带变得越来越响亮。