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基于大数据的流空间研究进展
杨延杰1,2(), 尹丹1,2, 刘紫玟1,2, 黄庆旭1,2,*(), 何春阳1,2, 吴康3
Research progress on the space of flow using big data
YANG Yanjie1,2(), YIN Dan1,2, LIU Ziwen1,2, HUANG Qingxu1,2,*(), HE Chunyang1,2, WU Kang3

图2. 2001—2018年论文数量和被引频次的年际变化

Fig.2. Changes in the number of papers and their citations, 2001-2018