国土资源部的数据显示,2010年,中国57%的水源已经达到重度或中度污染程度。
Data from the resources ministry shows that 57% of the country's water was either seriously or moderately polluted in 2010.
道路交通噪声中约有17%的城市属中度污染、49%的城市属轻度污染、25%的声环境质量较好。
The road traffic noise has 17% city to be the moderate pollution, 49% city approximately is the mild pollution, 25% sound environment quality is good.
数据统计分析结果表明湖区的西部与北部为重度污染,南部为中度污染,东部的污染程度介于上述两者之间。
The results of statistical analysis indicate that the west and north areas of the lake are heavily polluted, while it is averagely polluted in the south area.
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