disturbance level

例句：

1. 1. The team's performancehas been steadily increasing over the past fewyears.
   该团队的表现在过去几年中稳步提高。
2. 2. The researchers found that the pollution levelsin the area had significantly decreased.
   研究人员发现该地区的污染水平显著降低。
3. 3. The governmenthas set a new standard for environmental protection, aiming to reduce the disturbance levelof air pollution.
   政府已设定新的环境保护标准，旨在减少空气污染的干扰水平。