“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	liquid-propellant rocket liquid propellant rocket engine liquid propellant rocket engine test liquid propulsion system liquid ramjet liquid ramjet assembly liquid ramjet combustion chamber liquid ramjet engine test liquid ramjet fuel regulator unit liquid ramjet ignition unit liquid ramjet inlet liquid ramjet nozzle liquid ramjet performance parameter liquid ramjet turbopump liquid ring liquid ring compressor liquid ring vacuum pump liquid rocket engine combustion chamber liquid rocket engine for attitude controlling liquid rocket engine ignition device liquid rocket engine performance parameters liquid rocket propellant liquid rubber liquid safety detector liquid scintillant mixture

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。