non-point source

• 非点源

non-point source的用法和样例：

例句

1. 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。
2. According to the investigation, the main causes of agricultural nonpoint source pollution have been analysed.
   土壤侵蚀引起的农业非点源污染是造成水体污染的主要污染源。