Then discuss the acid formation from the soil quality, atmosphere grain, NH 3 and weather forms, point out these natural factor's difference is the most important cause of acid rain formation.
接着从土壤性质、氨气、大气颗粒物和天气形式等自然因素方面探讨了中国酸雨现状的形成原因，指出南北方这些自然因素的差异是酸雨现状形成的最重要原因。
Then discuss the acid formation from the soil quality, atmosphere grain, NH 3 and weather forms, point out these natural factor's difference is the most important cause of acid rain formation.
接着从土壤性质、氨气、大气颗粒物和天气形式等自然因素方面探讨了中国酸雨现状的形成原因，指出南北方这些自然因素的差异是酸雨现状形成的最重要原因。
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