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Green transportation level measurements and spatial-temporal evolution characteristics of urban agglomeration transportation systems
MA Zhuanglin, GAO Yang, HU Da-wei, WANG Jin, MA Fei, XIONG Ying
Journal of Tsinghua University(Science and Technology) . 2022, (7): 1236 -1250 .  DOI: 10.16511/j.cnki.qhdxxb.2022.26.010