Research on Key Factors Affecting Power Supply and Demand Trend Based on Complex CorrelationDunnan Liu, Rui Ge, Pengfei Li, Hua Li, Shanzhe Shi, Shilin Li and Jinshan HanE3S Web Conf., 165 (2020) 06022DOI: https://doi.org/10.1051/e3sconf/202016506022