第四十条向大气排放恶臭气体的排污单位，必须采取措施防止周围居民区受到污染。
Article 40 Units that discharge fetor into the atmosphere must take measures to prevent the pollution of neighboring residential areas.
科学家们用“空洞”一词表示臭氧浓度低于220个多布森单位（多布森单位是用来度量大气中臭氧柱尺度的单位。
Scientists use "hole" as a metaphor for the area in which ozone concentrations drop below the historical threshold of 220 Dobson Units.
所以园林石的应用是相当广泛的，企业和单位追求的是大气和底蕴，而个人只需要追求自身的享受和心情的愉悦。
So the application of landscape stone is quite broad, the pursuit of enterprises and units is the atmosphere and background, and personal only to pursue their own enjoyment and pleasant mood.
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