“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	reducible Verma module reducing reducing agent reducing column of Chinese timber construction reducing emissions from deforestation and forest degradation and the role of conservation, sustainable management of forests and enhancement of forest carbon stocks in developing countries reducing factor reducing flame reducing mill Reducing Process reducing projector reducing roasting of mineral raw material reducing subspace reducing sugar reducing terminus reducing toxicity and strengthen effects Reducing type of residential area reductan reductan; reducing agent reductant reductase reducting active DNA alkylating agent reducting active DNA crosslinking reagent reductio ad absurdum reduction reduction ad absurdum

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。