“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	metal oxide semiconductor circuit metal-oxide-semiconductor circuit metal-oxide semiconductor dynamic random-access memory metal-oxide-semiconductor dynamic random access memory metal-oxide-semiconductor field effect transistor metal-oxide-semiconductor field-effect transistor metal-oxide-semiconductor field-effect transistor, MOSFET metal-oxide-semiconductor high-electron-mobility transistor metal-oxide-semiconductor integrated circuit metal-oxide-semiconductor memory metal-oxide semiconductor static random-access memory metal-oxide-semiconductor static random access memory metal - oxide - semiconductor structure metal-oxide-semiconductor structure metal-oxide-semiconductor structure, MOS structure metal-oxide-semiconductor Transistor metal-oxide sensor metal passivation metal phosphonate metal phthalocyanine metal physical evidence metal physics metal pipe metal pipeline detector metal plastic

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