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中国平原绿化工程
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中国平原绿化工程
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理学
中国平原绿化工程
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plain greening project in China
中国平原绿化工程
20世纪60年代起,中国实施平原地区造林绿化的工程项目。此工程以东北平原、华北平原、长江中下游平原和珠江三角洲平原为建设范围,涉及平原、准平原和其他地区的平原县(旗、市)共923个。
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completely regular semigroup
completely regular space
completely regular topology
completely separable
completely separable process
completely separated
completely separated algebra
completely separated sets
completely simple semigroup
completely splitted
completely splitted group
completely splitted ideal
completely splitting
completely symmetric
completely symmetric algebra
completely symmetric endomorphism
completely symmetrizable endomorphism
completely triangular decomposition
completely unordered set
completely unstable
completely unstable flow
completely unstable system
completely unstable wandering
complete manifold
Complete Map of Beijing
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