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A river quality management model is proposed for the optimal waste load allocation in a tidal river basin, taking into account the impacts of stochastic pollutant discharge and dynamic hydrological conditions on water quality during a tidal cycle.
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摘要考虑污染源强随机变化和感潮河流潮周期内动态水文条件对水质的影响，建立了优化污染负荷分配的流域水质管理模型。 |
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A river system is seen in drought-affected farmland south of the Australian capital city of Canberra, Dec. 29, 2006.
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这是2006年12月29日拍摄的澳大利亚堪培拉南部受旱情影响的河流和农田。 |
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A river watering the garden flowed from Eden; from there it was separated into four headwaters.
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10有河从伊甸流出来，滋润那园子，从那里分为四道。 |
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A river winding through a valley.
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在山谷中蜿蜒的河流 |
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A riverboat with a keel but without sails, used for carrying freight.
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运货船一种运货的河流用船，有龙骨但无帆 |
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A rivers run into the sea.
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条条江河通大海；条条大道通罗马；殊途同归。 |
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A road leads through the eastern commercial hub of Bukavu, Congo.
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一条马路穿过刚果布卡武东部的商业区。 |
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A road made of ore!
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以矿石制成的道路! |
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A road made with)Mr. Sheep!
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一条道路制造由于)羊先生! |
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A road map is a two-dimensional object that contains points, lines, and polygons that can represent cities, roads, and political boundaries such as states or provinces.
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道路图是一种二维对象，其中包含点，线，多边形以代表城市，道路，及省或州的行政区划边界。 |
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A road map is a visualization of geographic information.
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道路图是可视化的地理信息。 |
