“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	air traffic management facility air traffic service air traffic statistics air transport air transportation air transport costs air transport liberalization air transport logistics building Air transport market Air transport mode Air transport vehicle air tube air turbine rocket engine air valve airvane air volume air-water central air-conditioning system air-water interface of lakes air wave air wavelength airway air way bill airway microbes airway obstruction air welding material

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。