基于东北航线的中欧贸易研究
王武林, 王成金

Research of China-EU trade based on the Northern Sea Route
WANG Wulin, WANG Chengjin
图3 2000—2018年中国向欧洲18国出口和进口的贸易效率
Fig. 3 Trade efficiency of China’s import from and export to 18 European countries in 2000-2018