“D region”的概念、定义、翻译、参考文献-科学参考

单词	D region
释义	D region Encyclopedia 理学D层释 D regionD层电离层的底部，电离度较低（包括多种原子离子团）的大气所构成的一层，位于60～90千米的区域。
随便看	Kilby, Jack St.Clair Kilian Stumpf Kilimanjaro Region kill killed process killer killer bee killer cell Killer Clans killer whale Killian incision killifish Killing killing killing and wounding effects of nuclear weapon Killing differential equation Killing equation killing fluid Killing form killing homotopy group killing measure killing method killing people with toxin produced by poisonous parasites killing rate Killing's equation

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。