WANG Shu-tao, LIU Shi-yu, WANG Zhi-fang, ZHANG Jing-kun, KONG De-ming, WANG Yu-tian. The Determination of Potassium Sorbate Concentration Based on ICSO-SVM Combining Three-Dimensional Fluorescence Spectra[J]. Spectroscopy and Spectral Analysis, 2020, 40(5): 1614