coefficient of pollution

例句：

1. 1. The coefficient of pollution in this area is very high.
   该地区的污染系数非常高。
2. 2. The coefficient of pollution affects the health of the people living in the area.
   污染系数影响居住在该地区的人们的健康。
3. 3. To reduce the coefficient of pollution, we need to implement stricter environmental regulations.
   为了降低污染系数，我们需要实施更严格的环境法规。