“庞加莱-伯克霍夫定理”的概念、定义、翻译、参考文献-科学参考

单词	庞加莱-伯克霍夫定理
释义	庞加莱-伯克霍夫定理 Encyclopedia 理学不可积系统释 Poincare-Birkhoff theorem庞加莱-伯克霍夫定理描述哈密顿系统的有理数环面在扰动下的命运的定理。由法国数学家庞加莱（Henri Poincaré，1854～1912）和美国数学家G.D.伯克霍夫（George David Birkhoff，1884～1944）先后提出。
随便看	crossing speed for turnout crossing straight lines crossing symmetry crossing the desert problem Crossing the North of the Yellow River Crossing the Yangtze River Campaign Memorial Hall (Anhui Celebrity Museum) crossing time cross-in-square cross interferometer cross-invertible loop cross isomorphism cross junction cross-language e-commerce Cross-Language Evaluation Forum ,CLEF cross language information retrieval cross-language information retrieval cross language text retrieval cross lapping cross laser liner cross level cross licensing cross-lighting cross-liking cross-linked enzyme aggregates,CLEAs cross-linked file

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。