The authenticity and the representativeness of material sampling and Measuring on site directly influence the objectiveness and accuracy of the measured data and the result judgement.
施工现场材料取样和检验的真实性和代表性直接影响检测数据和结果判定的客观性和准确性。
The sampling representativeness is made based on the individual deviation of phosphate rock by statistical method.
采用统计方法，针对原料磷矿个体差异，解决磷矿采样的代表性。
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