“rural empty nesters”的概念、定义、翻译、参考文献-科学参考

单词	rural empty nesters
释义	rural empty nesters Encyclopedia 管理学农村常住人口释 rural empty nesters农村空巢老人无子女或有子女但常年不与子女生活在一起，独自居住或与老伴一起居住在农村的60周岁及以上的老年人。
随便看	covalent coordinate bond covalent cross-link probe covalent crystal covalent diastereoisomers covalent glass covalent graph covalently bonded network covalently closed circular DNA covalently regulatory enzyme covalent modification of regulation covalent network covalent organic framework polymer covalent organic polymer covalent radius covariance covariance analysis covariance distribution covariance function covariance functional covariance matrix covariance operator covariance spectrum covariance stationary process covariance structure analysis covariance window

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。