• Age structure has aging trend;

    年龄结构老年化趋势

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  • Age Structure Change of World Population.

    全球人口年龄结构变迁

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  • The buds were also of increasing age structure.

    增长型年龄结构。

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  • The age structure of M. skinneriana is stationary.

    含笑种群年龄结构属稳定型。

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  • Simply introduce the concepts of the population age structure.

    简单介绍有关人口年龄结构相关概念

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  • In chapter 2, We study a nonautonomous SIS model with age structure.

    第二章,提出了具有年龄结构和周期传染率的的SIS模型

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  • Also speculate about the current age structure of the elephant population.

    并且推测这个大象群落当前年龄结构

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  • The variation of age structure is an important factor to affect the economy.

    人口年龄结构变动影响经济的重要因素

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  • Of course, the division of population age structure is comparative, but not invariable.

    当然,对人口年龄结构划分相对不是一成不变的。

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  • "Network school" of coaches, a reasonable age structure, with higher education and reasonable coaches hierarchy.

    网点学校教练员队伍,年龄结构合理具有较高学历合理的教练员等级结构

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  • People as occupation, age, family structure differences in the domestic demand is also common.

    人们由于职业年龄家庭结构差别住宅的需求也是千差万别的。

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  • And the age-structure of sport talents is appropriate.

    体育人才整体年龄结构较为合理。

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  • And the age-structure of sport talents is appropriate.

    体育人才整体年龄结构较为合理。

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