“HⅡand HⅠ I regions”的概念、定义、翻译、参考文献-科学参考

单词	HⅡand HⅠ I regions
释义	HⅡand HⅠ I regions Encyclopedia 理学星际物质释 HⅡand HⅠ I regionsHⅡ区和HⅠ区以氢（电离氢或氢原子）为主要成分的星际气体云。又称电离氢区和中性氢区。
随便看	permanent magnetism permanent magnet linear synchronous motor permanent magnet starting generator permanent-magnet synchronous motor permanent matrix permanent military airfield permanent mold casting permanent moment permanent of a matrix Permanent Palace Guard permanent residence register permanent resident registration form permanent residents permanent rotating magnetic field separator permanent rotation permanent rural residents permanent scatterer SAR interferometry permanent shadow region permanent slope permanent sprinkler system permanent succession permanent summation permanent swap file permanent threshold shift permanent threshold shift，PTS

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。