air quality objectives limit meaning in Chinese
空气质素指标限值
Examples
- Longer term trends in air pollutants show increases in annual average concentrations of no2 , decreases in so2 , and consistently high levels of particulates with both tsps and rsps being close to their respective air quality objectives limits
空气污染物含量的长远趋势显示，二氧化碳的平均浓度会按年上升，二氧化硫浓度则按年下降，而空气的悬浮粒子含量持续处于高水平，悬浮粒子总量及可吸入悬浮粒子更接近空气质素指标的上限。