Applying this method to the practical analysis of Chloramphenicolum and Metronidazok leads to a decrease in the average of mean relative error (MRE) from 1.70% obtained by PCR to 0.90% obtained by PCRW.

• 将其用于氯霉素及甲硝唑实际药物体系分析；与主成分回归法(PCR)相比；得到的回收率总平均相对误差由1.；70%25下降到0