At least two million people who live amid the canals, rice paddies and chemical plants around the lake had to stop drinking or cooking with their main source of water.
至少有两百万人住在运河区，周围的水稻田和化工厂都不得不停止使用他们的主水源来饮用和做饭。
Agriculture non-point source pollution has become one of the most important source pollution of Qiandao lake area with the control of the point source pollution.
随着对点源污染管理力度的增大，农业面源污染已逐渐成为千岛湖区域的主要污染源之一。
The source rock and the distribution of the centre of oil generation all have well coincidence relation with the distribution of deep lake in research area.
研究区烃源岩和生油中心的分布均与深湖区的分布有良好的对应关系。
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