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三北、长江流域等重点防护林体系建设工程
释义
三北、长江流域等重点防护林体系建设工程
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。
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topological rigidity
topological ring
topological semi-field
topological semigroup
topological semi-lattice
topological semimetal
topological semiordered space
topological sequence
topological sigma model
topological similarity
topological simplex
topological singularity
topological singular point
topological singular set
topological skew-field
topological soliton
topological sort
topological space
topological space of mappings
topological space of states
topological sphere
topological spintronics
topological *-stability
topological stability
topological stability theorem
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