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È˼ҵÄÃû×ֽмªÄ·¡¤À³¶÷(Jim Lane)£¬Ñо¿±¨¸æ£ºMeat vs Fuel: Grain use in the U.S. and China, 1995-2008 (http://www.ascension-publishing.com/BIZ/chinameatfuel.pdf)
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