“留守老人”的概念、定义、翻译、参考文献-科学参考

单词	留守老人
释义	留守老人 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	Heilongjiang Maolangou national nature reserve Heilongjiang Mingshui national nature reserve Heilongjiang Mudanfeng national nature reserve Heilongjiang Museum of Ethnography Heilongjiang Naoli He National Nature Reserve Heilongjiang Opera School Heilongjiang Operatic Art Academy Heilongjiang Peking Opera Theatre Heilongjiang Pingju Opera Art Center Heilongjiang Provincial Archives Heilongjiang Publishing Group Co.,Ltd Heilongjiang Qixing He National Nature Reserve Heilongjiang River Basin Museum Heilongjiang River Fisheries Research Institute，HRFRI CAFS Heilongjiang River System Waterway Heilongjiang Sanhuanpao national nature reserve Heilongjiang Sanjiang National Nature Reserve HeiLongjiang Science and Technology Museum Heilongjiang Shengshan National Nature Reserve Heilongjiang Taipinggou National Nature Reserve Heilongjiang University Of Chinese Medicine Heilongjiang water conservancy Heilongjiang Wudalianchi national nature reserve Heilongjiang Wuyu'er He National Nature Reserve Heilongjiang Xiaobeihu national nature reserve

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。