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Spatial characteristics of surface water quality in the Haicheng River (Liao River basin) in Northeast China EI期刊论文
2013
作者:  Bu Hongmei
收藏  |  浏览/下载:14/0  |  提交时间:2014/12/31
A knowledge-based similarity classifier to stratify sample units to improve the estimation precision EI期刊论文
2009
作者:  Li Lianfa
收藏  |  浏览/下载:6/0  |  提交时间:2012/06/11


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