“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	threshold level threshold limit value time weight average threshold limit value-time weight average threshold limit value time weight average (TLV TWA) threshold limit value-time weight average (TLV-TWA) threshold logic threshold model threshold neutron threshold [of an endoergic nuclear reaction] threshold of an endoergic nuclear reaction threshold of audibility threshold of duration threshold of intensity threshold of pain threshold of sensitivity threshold of transgene presence Threshold of Truth threshold parameter threshold population threshold potential threshold power threshold pressure gradient threshold result threshold search threshold sensitive energy efficient sensor network protocol

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。