“领主贵族”的概念、定义、翻译、参考文献-科学参考

单词	领主贵族
释义	领主贵族 Encyclopedia 历史学俄罗斯历史释 Boyars领主贵族（波雅尔）中世纪俄国社会的上层分子。
随便看	singular perturbation method singular perturbation problem singular perturbation system singular perturbed system singular plane singular plane of support singular point singular point at infinity singular point of a curve singular point of a difference equation singular point of a differential equation singular point of a quadric singular point of a surface singular point of higher order singular point of order k singular probability distribution singular process singular projective transformation singular proposition singular q-cochain singular quadratic form singular quadric singular quadric hypersurface singular saddle point singular semigroup

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。