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年轻型人口
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年轻型人口
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年轻型人口
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young population
年轻型人口
0~14岁的人口数量占总人口数量40%以上,65岁及以上人口数量低于总人口数量4%的人口年龄结构。
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one-place calculus
one-place number
one-place operation
one-place predicate
one-place predicate calculus
one-plane projection
one-point
one point compactification
one-point compactification
one point distribution
one-point distribution
one-point iteration method
one-point set
one-point space
one-point union
one-port network
One post one salary system
One post salary system
one pot
one pot reaction
one-sample method
one's complement
one set of tables on enterprises statistics
one-seventh ellipse
one-sheeted hyperboloid
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