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11 1992—2018年中国农作物种植面积占比变化 |
Fig. 11 Changes of crops planting area proportion in China, 1992-2018 |
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