“永年项”的概念、定义、翻译、参考文献-科学参考

单词	永年项
释义	永年项 Encyclopedia 理学非线性振动近似解析方法释 secular term永年项当时间趋于无限大时，直接展开法求得的渐近解的表达式中有时会出现振幅趋于无限大的某些项。其破坏了解的一致有效性。 Mathematics secular term久期项又称“永年项”^†
随便看	Wang Shimin Wang Shimin’s Calligraphy and Painting Inscriptions Wang Shipeng Wang Shishang Wang Shitang Wang Shiwei Wang Shixiang Wang Shixing Wang Shixu Wang Shiyi Wang Shiying Wang Shiyu Wang Shizhang Wang Shizhen Wang Shizhen Frees the White Birds by Yu Zhiding Wang Shizhen Liberates the Silver Pheasant Wang Shizhen's Short Comments on Paingting and Calligraphic Works Wang Shizhong Wang Shou Wang Shouguan Wangshouguan Wang Shoujing Wang Shoujue Wang Shouren Wang Shouren’s Former Residence and Mausoleum Tomb

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。