Based on the adequate examination of calculation for measured velocity profiles, the accuracy of the formula would be higher than that of the current international method.
经过大量实测流速分布进行计算检验，精度高于美、英等国现行使用的计算方法。
Soil utilization of sewage sludge is an important international method of treating sewage sludge, and how to prevent the pollution of heavy metal is always the most important problem.
污泥土地利用是当今国际上非常重视的污泥处置方式，如何防止重金属的污染一直是污泥农用中最重要的问题。
Soil utilization of sewage sludge is an important international method of treating sewage sludge, and how to prevent the pollution of heavy metal is always the most important problem.
污泥土地利用是当今国际上非常重视的污泥处置方式，如何防止重金属的污染一直是污泥农用中最重要的问题。
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