拟合方差与回归系数标准偏差存在明显的相关关系。线性模型能解释的方差越大，回归系数标准偏差越小。
It is found that the more the variance explained by the linear model, the smaller the standard deviation of regression coefficient.
测量误差的主要来源是样品校正曲线拟合误差、样品测定重复性标准偏差。
The main sources of uncertainty come from non-linear calibration models and pre-processing step of samples.
测量误差的主要来源是样品校正曲线拟合误差、样品测定重复性标准偏差。
The main sources of uncertainty come from non-linear calibration models and pre-processing step of samples.
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