“Ravenna”的概念、定义、翻译、参考文献-科学参考

单词	Ravenna
释义	Ravenna Encyclopedia 理学拉韦纳释 Ravenna拉韦纳意大利历史名城。古代西罗马帝国、东哥特王国、拜占廷意大利的都城。历史学意大利文物及保护释 Ravenna拉韦纳古城意大利历史名城。
随便看	opposite composition law opposite derivative opposite dihedral angle opposite direction opposite direction ray opposite edges opposite event opposite face opposite form opposite graduation opposite group opposite half-spaces opposite leaf oppositely directed oppositely directed traveling wave 9 ODTW opposite number opposite orientation opposite parabolic subgroups opposite part opposite quantity opposite quiver opposite real number opposite ring opposite root opposite semigroup

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。