noise limit

例句：

1. 1.The noise limit is set to reduce the amount of noise that can be heard in residential areas.
   噪音限制被设定为减少住宅区可以听到的噪音量。
2. 2. The factory has been operating within its noise limit for years.
   这家工厂多年来一直在其噪音限制范围内运作。
3. 3. The government is considering increasing the noise limit for vehicles on public roads.
   政府正在考虑提高公共道路车辆的噪音限制。