“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	Nitrogen loss from body surface nitrogen metabolism nitrogen mineralization nitrogen monoxide nitrogen monoxide synthase nitrogen monoxide synthase (NOS) nitrogen narcosis nitrogen nutrition in plant nitrogenous hormone nitrogenous oxygen demand nitrogenous substances nitrogen oxide nitrogen oxide analyzer nitrogen-oxide analyzer Nitrogen Oxide Cycles Nitrogen oxide gas nitrogen oxide monitoring in ambient air nitrogen oxides nitrogen oxides decomposition catalyst nitrogen oxides pollution nitrogen oxides sensors nitrogen pentoxide nitrogen-phosphorus coupling nitrogen phosphorus detector nitrogen-phosphorus detector

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。