“crown section”概念、定义、翻译-科学时代

单词	crown section
释义	水利水电词汇手册 crown section 拱冠断面，拱顶截面
随便看	zenithal leveling instrument zenithal map projection zenithal projection zenithal projection zenith angle zenith angle zenith angle zenith angle zenith angle zenith angle zenith angle effect zenith camera zenith column zenith distance zenith distance zenith distance zenith distance zenith period of fruit-bearing zenith telescope zenodiagnosis zenographic zenographic coordinates zenolite Zeno of Citium Zeno of Elea

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

crown section