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词汇 source, point
释义 source, point
基本例句
点源;点状源
The specific discharge is infinite at the vicinity of every point source or sink.在每个点源或点汇附近比流量为无穷大。
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。
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