The water environmental protection zones were partitioned according to the functions assigned to the sections of the main stream of Sanggan River in Shanxi Province. 摘要依據水環(huán)境功能區劃分原則及技術(shù)方法對山西桑干河干流地面水域的功能區進(jìn)行了劃分。
Environmental functional district planning的相關(guān)資料: