“Spring and Autumn Period”的概念、定义、翻译、参考文献-科学参考

单词	Spring and Autumn Period
释义	Spring and Autumn Period Encyclopedia 历史学春秋释 Spring and Autumn Period春秋公元前770年周平王东迁洛邑到前477年（一说478年）周敬王卒的中国历史时期。因为鲁史《春秋》基本记录了这一时期的历史而得名。
随便看	contrast resolution contrast reversal contrast test 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

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。