“封建等级制度”的概念、定义、翻译、参考文献-科学参考

单词	封建等级制度
释义	封建等级制度 Encyclopedia 历史学〔综述〕释 feudal hierarchy封建等级制度西欧封建主之间依据土地占有和人身依附关系而形成的一种等级关系。
随便看	secondary literature secondary liver cancer secondary loess secondary lymphedema secondary lysosome secondary malnutritionsecondary malnutrition secondary market secondary market of mining rights secondary maximum secondary measurement standard secondary meristem secondary metabolism secondary metabolite secondary metabolites fermentation secondary metabolites of diseased forage secondary metabolites of medicinal plants secondary migration of oil and gas secondary mineral secondary mineral resources secondary minimum secondary mirror Secondary mirror mechanism secondary-mirror modulation secondary-mirror modulator secondary mirror support tower

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。