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据《西北水文水资源通讯》报道,根据联合国教科文组织国际水文计划第四阶段(IHP-Ⅳ,1990～1995)计算项目H-5.2“发展干旱和半干旱地区水文学研究和水资源管理”,国际水文计划中国国家委员会与联合国教科文组织计划于1992～1993年在我国举
According to the Northwest Hydrology and Water Resources Newsletter, item H-5.2 “Development of Hydrological Research and Water Resources Management in Arid and Semi-arid Regions” is calculated in accordance with IHP-IV (1990-1995) of UNESCO’s International Hydrological Program , IHP China National Committee and UNESCO plan in 1992 to 1993 in our country