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Changes of comparative advantages of regional grain production in China EI期刊论文
2009
作者:  Xin Liangjie;  Tan Minghong;  Li Xiubin
收藏  |  浏览/下载:7/0  |  提交时间:2012/06/11
A C-means algorithm based on data field EI期刊论文
2009
Wang Haijun; Deng Yu; Wang Li; Guan Xingliang
收藏  |  浏览/下载:16/0  |  提交时间:2012/06/11
Study of the spatial differentiation of hyperconcentrated flows frequency in the Loess Plateau EI期刊论文
2008
作者:  Xu Jiong-Xin
收藏  |  浏览/下载:12/0  |  提交时间:2012/06/11
Land cover changes based on plant successions: Deforestation, rehabilitation and degeneration of forest in the upper Dadu River watershed EI期刊论文
2005
作者:  Bai Wanqi;  Zhang Yili;  Zheng Du;  Liu Linshan
收藏  |  浏览/下载:14/0  |  提交时间:2012/06/11


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