基于GRA-IPSO-SVR的公路货运价格预测模型
王彦彬, 孙虎
Highway freight cost forecast model based on GRA-IPSO-SVR
WANG Yanbin, SUN Hu
公路交通科技 . 2026, (4): 220 -227 .  DOI: 10.3969/j.issn.1002-0268.2026.04.021