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The education treatment effect on the non-farm income of Chinese western rural labors SCI/SSCI论文
2015
作者:  Luan J.;  Chen, J. C.;  He, Z. W.;  Li, Q.;  Qiu, H. G.
收藏  |  浏览/下载:30/0  |  提交时间:2015/12/09
Quantifying Climate and Management Effects on Regional Crop Yield and Nitrogen Leaching in the North China Plain SCI/SSCI论文
2013
作者:  Ma L.;  Ma L.;  Yu Q.
收藏  |  浏览/下载:62/0  |  提交时间:2014/12/24
ANNUAL PRECIPITATION VARIATION INFERRED FROM TREE RINGS SINCE AD 1770 FOR THE WESTERN QILIAN MTS., NORTHERN TIBETAN PLATEAU SCI/SSCI论文
2009
Liang E. Y.; Shao X. M.; Liu X. H.
收藏  |  浏览/下载:20/0  |  提交时间:2012/06/08


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