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| DOI：10.7515/JEE201504008 |
| CSTR：32259.14.JEE201504008 |
| 分类号:S284 |
| 基金项目:2014-08-10 |
| 英文基金项目: |
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| The situation, characteristics and effect of the Gully Reclamation Project in Yan'an |
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HE Chun-xiong
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Gully Reclamation Leading Group Office in Yan'an, Yan'an 716000, China
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