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- economic aspects (9)
- 研究 (7)
- agriculture (5)
- economic development (5)
- environmental aspects (4)
- sustainable development (3)
- agricultural productivity (2)
- agriculture and state (2)
- china (2)
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主题
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著者:
Davide Viaggi
Department of Agricultural and Food Sciences (DISTALpSA)
University of Bologna
Italy.
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著者:
compiled by Foreign Economic Cooperation Center
Ministry of Agriculture and Rural Affairs of P. R. China.
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