“the three types of left-behind personnel”的概念、定义、翻译、参考文献-科学参考

单词	the three types of left-behind personnel
释义	the three types of left-behind personnel Encyclopedia 法学家庭社会工作释 the three types of left-behind personnel“三留守”人员对中国农村留守儿童、留守妇女、留守老人的简称。
随便看	slip ring slip-ring rocket launcher slips slipstream slip system slip-type packer slip-up operator slip velocity slip-weakening model slit slit diaphragm slit domain slit grating 3D display technology slit image slit jaw slit-jaw observation slit-lamp microscopic examination slitless spectrogram slitless spectrograph slitless spectroscopy slitless spectrum slit mapping slitof clothing slit pore slit region

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。