And agricultural non-point source pollution is the top priority.
而农业面源污染又是重中之重。
Soil erosion and non point source pollution are two serious environmental issues.
土壤侵蚀与非点源污染是两大重要的环境问题。
Many studies show that wetlands can control the non-point source pollution effectively.
国内外许多研究表明,自然湿地能有效地控制非点源污染。
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