Prediction of PM 2.5 concentration based on optimized BP neural network with improved sparrow search algorithm
ZHAO Kan, SHI Yun, NIU Minjie, WANG Huqin
Bulletin of Surveying and Mapping . 2022, (10): 44 -48,104 .  DOI: 10.13474/j.cnki.11-2246.2022.0292