“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	extra-loose coupling extra-low extramarital love extramarital system extramedullary plasmacytoma extramedullary relapse of leukemia extra-meridian altitude extra-meridian observation extrameridional points,extra points extra military provisions for field work extramural education extraneous extraneous root extraneous variable extraneous wave extranet extranodal NK/T-cell lymphoma，nasal type extranuclear extranuclear inheritance extraocular muscle Extra Officials extraordinary Extraordinary Chambers in the Courts of Cambodia extraordinary cohomology theory extraordinary divisor of the discriminant

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。