“直接展开法”的概念、定义、翻译、参考文献-科学参考

单词	直接展开法
释义	直接展开法 Encyclopedia 理学非线性振动近似解析方法释 direct expansion method直接展开法把弱非线性振动系统的解直接展开为小参数的幂级数形式的方法，是原始的摄动法。
随便看	navigational time scale navigational triangle navigation and positioning navigation and positioning on the sea navigation and search on complex network navigation aqueduct navigation brain system navigation by earth reference navigation by map-matching navigation by space reference navigation channel of Xijiang River navigation clock navigation constellation navigation coordinate system navigation delay calibration navigation disease monitoring navigation electronic map navigation electronic warfare navigation element navigation engine navigation epidemiology navigation facility of fishing port navigation for the blind person Navigation Guarantee Center Navigation, guidance and control

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。