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中文
The Deepening,Differentiation and Fragmentation of the Digital Industrial Chain Exacerbated by the COVID-19 Epidemic
LIU Cheng,XU Ziyan
Journal of Hebei University(Philosophy and Social Science) . 2021, (
2
): 48 -56 . DOI: 10.3969/j.issn.1005-6378.2021.02.007