“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	random dot stereogram random draft random drift random dynamical system random early detection random early detection, RED random effect random effect model random effects model random element random ellipsoid packing random emission random encoding random environment random environment process random equation random ergodic random ergodic theorem random error random event random excitation random experiment random experimental design random factor random failure

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。