“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	separation factor separation flow separation fracture separation layer separation logic separation marks examination separation mechanism separation membrane separation metallurgy of niobium and tantalum separation mood separation number separation number (SN) separation of boron isotopes separation of church and state separation of civil law and commercial law separation of concerns separation of concerns, SOC separation of duties separation of fringes separation of functions between administrative authority and publishing house separation of functions,coordination and mutual check of judicial organs Separation of Government and Market Intermediaries separation of gravity anomalies separation of hydrogen isotopes separation of income and expenditure of health care institutions

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。