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2020
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Article
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Tab 1
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Research Article
Relationship between Urban Economic Connections and Geoeconomic Relations in Northeast China
Table 1
Speed and time cost of highway transportation in different periods.
ā
Year 2007
Year 2012
Year 2017
Driving speed (km/h)
90
100
110
Time cost (minutes)
0.667
0.6
0.545