id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
fbem-31282	Zhang, Fangyu	Evaluation of Beijing-Tianjin-Hebei Logistics Development Level and Suggestions for Improvement	2025	5	.pdf	application/pdf	3844	159	41	Chen Yu (2022) studied the level of logistics development in North China, through the principal component analysis method of logistics development level evaluation indicators for dimensionality reduction processing, and measured the level of logistics development scores of each region, for the quantitative evaluation of the level of logistics development in North China to provide a scientific basis With the rapid development of China's economy and logistics industry, scholars in China have gradually invested in the study of logistics development level.	cache/fbem-31282.pdf	txt/fbem-31282.txt