“left-behind elderly”的概念、定义、翻译、参考文献-科学参考

单词	left-behind elderly
释义	left-behind elderly Encyclopedia 法学老年社会问题释 left-behind elderly留守老人因子女离开而留在原家庭中的老年人。根据中国对人口迁移流动的定义，严格意义上的留守老人指因子女离开（跨越县级以上行政区）半年及以上而留守在家的老年人。
随便看	automatic checkout test equipment automatic clamp equipment automatic classification automatic classification of documents automatic clip removing equipment automatic clustering automatic code recognition sorter automatic coding automatic collar sewing machine automatic comet-seeker automatic compensation automatic computer Automatic Content Extraction automatic continuity Automatic control automatic control automatic control of auxiliary equipment of hydropower station automatic control of hydro-generator unit automatic control of hydropower station automatic control of pumped-storage unit automatic control system automatic control system for fire protection automatic control systems automatic control technology of blast furnace ironmaking automatic control theory

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