“feudal hierarchy”的概念、定义、翻译、参考文献-科学参考

单词	feudal hierarchy
释义	feudal hierarchy 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	automatic differentiation automatic dimensioning automatic dissolved oxygen measuring instrument based on fluorescence automatic dividing switch automatic doffing devices automatic drawing-in machine automatic drilling and riveting system automatic drilling system automatic electrochemiluminescence immunoassay analyzer automatic error correction Automatic Exposure Lock automatic extraction of events automatic extraction of names automatic fare collection system automatic feed water bypass system automatic fingerprint identification system automatic fire alarm system automatic fire extinguishing system automatic flight control modes automatic flight control system automatic formation flight control automatic frequency control automatic gain control automatic gain control circuit automatic gain control，AGC

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