“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	contravalency contravariance contravariant contravariant component contravariant coordinate contravariant density contravariant derivative contravariant functor contravariant Hom functor contravariant index contravariant morphism functor contravariant of a group contravariant of a tensor contravariant order contravariant set system contravariant spinor contravariant tangent bundle contravariant tensor contravariant tensor algebra contravariant tensor field contravariant valence contravariant vector contravariant vector field contributing source contributing source, CSRC

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。