“河北三镇”的概念、定义、翻译、参考文献-科学参考

单词	河北三镇
释义	河北三镇 Encyclopedia 理学河北三镇释 Three Forts of Hebei河北三镇中国唐代安史之乱后，黄河以北魏博、成德、卢龙3个藩镇的合称。又称河朔三镇。
随便看	minimal conjunctive normal form minimal coordinate minimal cost flow problem minimal cover minimal covering minimal curvature minimal curve minimal cut set minimal cutset minimal degree minimal density minimal diffeomorphism minimal dilation 「= minimal minimal dimension minimal discrepancy method minimal discriminant minimal dynamical system minimal edge covering minimal eigenvalue minimal electromagnetic coupling minimal electromagnetic coupling of Dirac electron minimal element minimal embedding minimal enclosing circle minimal enclosing circle problem

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。