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By late 1962, USDA economists were beginning to give their own interpretations of RAD.
到1962年底, 美国农业部的经济学家们开始对农村区域发展给出自己的解释.
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Yields are forecast at a record 2.83 tonnes per hectare, the USDA noted.
美国农业部还预计,收获率也将达到创纪录的每公顷2.83吨.
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