“social security system”的概念、定义、翻译、参考文献-科学参考

单词	social security system
释义	social security system Encyclopedia 法学社会治理释 social security system社会保障体系　由社会保险、社会福利和社会救助三个子系统构成的社会保障大系统。
随便看	power series ring power series solution power series space power series statement power set power-set axiom power-set functor Powers factor power shift gearbox power source power source, power supply power spectra power spectral density power spectral density function power spectral function power spectral index power spectrum power spectrum density power spectrum density estimation power spectrum estimation power spectrum of CMB anisotropies power sprayer Powers-St⍥rmer inequality powerstat power static-induction transistor

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。