key shelterbelt development program in the "Three North" region，the Yangtze River basin and other river basins
释义
key shelterbelt development program in the "Three North" region，the Yangtze River basin and other river basins Encyclopedia
管理学林业发展战略释 key shelterbelt development program in the "Three North" region，the Yangtze River basin and other river basins三北、长江流域等重点防护林体系建设工程 20世纪80年代以来，中国相继在“三北”地区、长江、珠江、淮河等重要江河流域实施的防护林体系建设工程的总称。