“Xingcheng City Walls”的概念、定义、翻译、参考文献-科学参考

单词	Xingcheng City Walls
释义	Xingcheng City Walls Encyclopedia 历史学城池所驿释 Xingcheng City Walls兴城城墙中国明清城防建筑。
随便看	helium-jet transport helium leak detector helium liquefier helium Lyman α forest helium main-sequence helium method helium-neon helium-neon laser helium optical pumping magnetometer helium-poor star helium production helium refrigerator helium-rich core helium-rich star helium separation system helium shell helium shell flash helium star helium-strong star helium variable helium-weak star helium white dwarf He Liutang helix helix angle

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。