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		近30年我国谷子生产时空变化与区域优势研究
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			Spatiotemporal Variation and Regional Advantages of Foxtail Millet Production in Recent 30 Years in China
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| 图1. 1985—2015年全国谷子播种面积、总产量、单产变化趋势 | 
| Fig. 1. Change trend of millet sown area, total production and yield from 1985 to 2015 in China | 
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