“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	fishing boats on the river beside mountains fishing box tap fishing by hook and line fishing chart fishing costs fishing economy fishing effort fishing family living customs fishing festival fishing foil of Gin nationality fishing for cuttings fishing gear fishing gear design fishing gear fittings fishing gear materials science fishing gear selectivity fishing gear technology fishing ground fishing ground chart fishing ground forecasting fishing ground formation conditions fishing ground in the bank of reef fishing ground in the current boundary fishing ground in the East China Sea fishing ground in the eddy area

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。