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农村贫困陷阱
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农村贫困陷阱
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理学
农村贫困陷阱
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rural poverty trap
农村贫困陷阱
在外部环境的影响下,受农村要素资源禀赋、社会经济发展、居民综合能力的限制,农村地区教育、医疗卫生、基础设施等建设严重滞后,农村处于贫困状态的个人、家庭、群体等主体由于贫困而不断再产生出贫困,呈现出“循环累积”的发展态势,并且在“循环积累”作用下,贫困的代际传递明显,使得农村陷入贫困的恶性循环中难以摆脱。
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immune factor analysis techniques of aquatic animals
immune function
immune homeostasis
immune membrane molecule
immune memory
immune molecule
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immune privileged site
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immune response gene
immune serum
immune set
immune surveillance
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immune tissue
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immunities
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