中国种植业专业化发展的时空格局研究
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王武林, 余翠婵, 税伟, 吴聘奇, 王前锋
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Research on spatio-temporal pattern of specialized development of Chinese planting industry
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Wulin WANG, Cuichan YU, Wei SHUI, Pinqi WU, Qianfeng WANG
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| 表6 4类丛集年份分布 |
| Tab. 6 Four clusters of year distribution |
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| 年份 | 丛集 | 年份 | 丛集 | 年份 | 丛集 | 年份 | 丛集 | 年份 | 丛集 | | 1978 | 2 | 1986 | 4 | 1994 | 4 | 2002 | 3 | 2010 | 3 | | 1979 | 2 | 1987 | 4 | 1995 | 4 | 2003 | 3 | 2011 | 3 | | 1980 | 2 | 1988 | 4 | 1996 | 3 | 2004 | 3 | 2012 | 3 | | 1981 | 2 | 1989 | 4 | 1997 | 3 | 2005 | 3 | 2013 | 3 | | 1982 | 2 | 1990 | 4 | 1998 | 3 | 2006 | 3 | 2014 | 3 | | 1983 | 2 | 1991 | 3 | 1999 | 3 | 2007 | 3 | 2015 | 1 | | 1984 | 4 | 1992 | 4 | 2000 | 3 | 2008 | 3 | 2016 | 1 | | 1985 | 4 | 1993 | 4 | 2001 | 3 | 2009 | 3 | 2017 | 1 |
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