“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	functional pigment functional plant functional polymer functional polymeric membrane functional polymer materials functional polymers functional printing functional programming functional protein functional proteomics functional psychology functional reactor functional recombination functional redundancy functional refractories functional refractories for concasting functional relation functional relationship functional representation functional requirement functional requirements Functional Requirements for Authority Data Functional Requirements for Bibliographic Records ， FRBR functional residual capacity functional response

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。