“household-registration system”的概念、定义、翻译、参考文献-科学参考

单词	household-registration system
释义	household-registration system Encyclopedia 历史学[经济]释 household-registration system丁中中国古代为征派赋役而将编户人口按照年龄进行划分的制度。
随便看	punch-through effect punch through insulated gate bipolar transistor punctate anthoceros punctiform punctiform remainder punctiform topological space punctuality Punctual purchase punctuated equilibrium Punctuated-Equilibrium Model punctuated equilibrium paradigm punctuated-equilibrium theory punctuation punctuation and criticism punctuation marks punctuation symbol punctum puncture puncture counter punctured punctured ball punctured code punctured complex plane punctured disc punctured manifold

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。