DONG Mei-rong, WEI Li-ping, LU Ji-dong, LI Wen-bing, LU Sheng-zi, HUANG Jian-wei, LI Shi-shi, LUO Fa-sheng, NIE Jia-lang. Quantitative Analysis of LIBS Coal Heat Value Based on K-CV Parameter Optimization Support Vector Machine[J]. Spectroscopy and Spectral Analysis, 2019, 39(7): 2202