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A new method of how to avoid the storage of the residue sensitivity matrix and of how to make local correction of measurement estimates are discussed in this paper.
文中提出了避免残差灵敏度矩阵存储的新方法，以及对量测估计进行局部修正的方法。
Correction of matrix effect is a key part of XRF and, to a great extent, determines the accuracy of surveying data.
基体效应校正是X射线荧先分析方法中关键的一环，在很大程度上决定了测量数据的准确度。
The spectral interference and physical interference from Fe to the spectral lines of the elements determined are investigated and corrected by the matrix maching and background correction methods.
研究了铁基体元素对被测元素光谱线的光谱干扰与物理干扰，采用背景扣除法与基体匹配法进行校正。
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