清洁空气法令要求主要空气污染源需获得这种许可证，以防止污染物排放量的严重增加。
The Clean air Act requires major sources of air pollution to obtain such permits before making changes that would result in a significant emissions increase of any pollutant.
以煤城焦作市为例，选取1982 ~ 2002年经济与环境数据，建立人均GDP与主要环境污染物排放量的模型。
Taking Jiaozuo as an example, based on the 1982-2002 economic and environment data, the model of per capita GDP and main industrial waste discharge are established.
以煤城焦作市为例，选取1982 ~ 2002年经济与环境数据，建立人均GDP与主要环境污染物排放量的模型。
Taking Jiaozuo as an example, based on the 1982-2002 economic and environment data, the model of per capita GDP and main industrial waste discharge are established.
应用推荐