名词短语
中文翻译：年度正常径流
同义词：
['annual average runoff', 'annual average flow', 'annual average discharge']
例句：
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1.The study found that the annual normal runoff in this region is around 200 cubic meters per second.
研究发现，该地区的年度正常径流量约为每秒200立方米。
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2. The watershed's annual normal runoff is a significant factor in determining its hydrological characteristics.
该流域的年度正常径流量是确定其水文特征的重要因素。
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3. The project aims to reduce the annual normal runoff by 20% and improve the water quality of the river.
该项目旨在将年度正常径流量减少20%，并改善河流的水质量。