中国农产品贸易结构演化及对粮食安全的影响 |
王念, 程昌秀, 林耿 |
Evolving agricultural trade structure and its impact on food security in China |
WANG Nian, CHENG Changxiu, LIN Geng |
图3 1992—2020年中国农产品进/出口产品集中度 |
Fig. 3 Concentration of China's agriculture product imports/exports in 1992-2020 |
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