此模型对乐安河重金属污染预测有一定的参考价值。
This model will provide valuable reference for the heavy metal pollution forecast about le 'an r...
根据质量守恒定律，建立乐安河重金属污染数学模型，并对其进行了求解。
According to the Law of Conservation of Mass, we have established the mathematical model of heavy metal pollution in Le 'an River, and have attempted to find the solution to it.
乐安河流域目前由于受沿岸工业废水、生活污水等的污染，致使该河的许多污染指标超标。
Presently, many pollutants cannot meeting discharging standard in Le 'an river because of the pollution from industry wastewater and municipal wastewater and so on.
乐安河流域目前由于受沿岸工业废水、生活污水等的污染，致使该河的许多污染指标超标。
Presently, many pollutants cannot meeting discharging standard in Le 'an river because of the pollution from industry wastewater and municipal wastewater and so on.
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