“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	automated system automated tape laying technology automated telescope automated terminal automated test generator automated theorem proving automated tow placement Automated Transfer Vehicle automated translation automated vehicle platooning automated verification system automated verification tool automated warehouse automatic Automatica automatic abstract generation automatic adjustment excitation automatic aiming and driving automatical drilling automatically switched transport network automatical mining automatic astronomical station automatic balance recording instrument automatic bicycle automatic block

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