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5 高波动性农产品的可比净出口指数 |
Fig. 5 Normalized trade balance index of agricultural products with high volatility |
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