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中国居民膳食结构升级、国际贸易与粮食安全
辛良杰(
)
Dietary structure upgrade of China's residents, international trade and food security
XIN Liang-jie(
)
图5.
主要农产品单位质量与单位价值碳足迹
Fig. 5.
Carbon footprint per kilogram and unit value of food products