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ANALYSIS OF ECONOMIC EFFICIENCY OF SMALL VALLEY’S COMPREHENSIVE TREATMENT OF HUANGJIA-ERCHA IN XIJI COUNTY,NINGXIA

ANALYSIS OF ECONOMIC EFFICIENCY OF SMALL VALLEY’S COMPREHENSIVE TREATMENT OF HUANGJIA-ERCHA IN XIJI COUNTY,NINGXIA
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摘要 The Lanni River, rising at Laojunpo, Huining County, Gansu Province, entersNingxia at Libaocun, Sanhexiang, Xiji County. It flows through 10 villages and joints theHulu River at Gongyixiang, Xiji County and finally flows through the Wei River into theYellow River. The section of the river within Xiji County is 44.8 km long with a
出处 《干旱区资源与环境》 CSCD 1993年第Z1期487-490,共4页 Journal of Arid Land Resources and Environment
关键词 SMALL Drainage BASIN COMPREHENSIVE Treatment Ecologic BENEFIT Small Drainage Basin Comprehensive Treatment Ecologic Benefit
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