“Poincare-Birkhoff theorem”的概念、定义、翻译、参考文献-科学参考

单词	Poincare-Birkhoff theorem
释义	Poincare-Birkhoff theorem 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	Yu opera music Yupao Jiang Yupian Yu Ping Yu Pingbo Yu Pingbo's Commentary on A Dream of the Red Mansions Yuping Dongzu Zizhixian yupingfeng powder Yu Pu Yu Qian Yu Qiao Yuqiao Reservoir Yuqiaosai in Han Dynasty Yu Qiaqing Yu Qie Yu Qifeng Yu Qingsong Yu Qingtang Yuqing Xian Yuqing Xiaoye Kuding tea Yuqingzhai Studio’s Calligraphies Yu-qiu's Explanation of Medicinals Yu Qiuyu Yu Qiwei Yuquan Qu

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。