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population opportunity window
释义
population opportunity window
Encyclopedia
理学
人口统计学
释
population opportunity window
人口机会窗口
总人口“中间大,两头小”的结构,使得劳动力供给充足,而且社会负担相对较轻,对社会经济发展十分有利的时期。所谓“中间大”,是指15~64岁的劳动适龄人口规模大;所谓“两头小”,是指0~14岁的青少年人口和65岁及以上的老年人口规模小。
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iterative decoding
iterative design
iterative dichotomiser 3 algorithm
iterative differential
iterative differential interpretation method for gamma logging
iterative earthing
iterative equation
iterative guidance
iterative improvement
iterative interpolation
iterative invariant
iterative learning control
iterative loop
iterative method
Iterative method for optimization problems
iterative method for tunnel capacity computing
iterative model
iterative network
iterative process
iterative refinement
iterative saturation mutagenesis
iterative sequence
iterator pattern
iteroparity
ITF
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