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Division of key cultivated land regions based on calculation of comprehensive productivity in Hebei province EI期刊论文
2009
Men Mingxin; Zhang Junmei; Liu Yu; Li Xinwang; Xu Hao
收藏  |  浏览/下载:27/0  |  提交时间:2012/06/11
Reconstruction of historical climate in China EI期刊论文
2005
Ge Q. S.; Zheng J. Y.; Hao Z. X.; Zhang P. Y.; Wang Wei-Chyung
收藏  |  浏览/下载:24/0  |  提交时间:2012/06/11


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