“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	disease data disease escape disease evaluation of collection disease evolution civil engineering disease factors of environment disease frequency index Disease incidence disease index disease investigation disease involving two or more channels disease mapping diseasemarkers disease of aquatic organisms disease of arteries disease of baculovirus penaei disease of body and channels disease of cerebral system disease of circulatory system in wartime disease of digestive system in wartime disease of hepatobiliary System disease of kenaf and jute disease of mediastinum disease of nephric system disease of newborn animal disease of one channel involving another channel

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。