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SOIL EROSION ASSESSMENT BASED ON THE UNIVERSAL SOIL LOSS EQUATION AND MULTI-FACTOR HIERARCHICAL COVE
【机 构】
:
Beijing Institute of Landscape Gardening,Beijing,100102,China
【出 处】
:
第三届世界生态高峰会(Eco Summit 2007)
【发表日期】
:
2007年12期
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