This method possessed wide applicability, accurate and exact result and less relative error. Besides, the determined result can not be affected in the weighable range of sampling.

该方法适用范围广，测定结果准确，精密度高，相对误差小，在取样量范围里，测定结果不受取样量多寡的影响。

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This method possessed wide applicability, accurate and exact result and less relative error. Besides, the determined result can not be affected in the weighable range of sampling.

该方法适用范围广，测定结果准确，精密度高，相对误差小，在取样量范围里，测定结果不受取样量多寡的影响。

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