中国七大水系
中国七大水系-
潘岳表示，中国七大水系中，26%的水体受到严重污染，与人体接触会导致危险后果，或者已丧失基本的生态功能。
Mr Pan said 26 per cent of the water in China 's seven biggest river systems had been found to be so polluted that it was dangerous to come into contact with or had lost the capacity for basic ecological function .
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中国七大流域水系与洪涝的分维及其关系研究
Fractal Analysis Applied to the 7 Drainage Basins and the Flood in China