“HⅡ区和HⅠ区”的概念、定义、翻译、参考文献-科学参考

单词	HⅡ区和HⅠ区
释义	HⅡ区和HⅠ区 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	Selten seltrap selvage cutter & winder selvedge apparatus Selye's stress theory SEM Semangs Semantic semantical semantically semantically consistent system semantically correct formula semantically definable constant semantically equivalent form semantic analysis semantic analysis, semantic parsing semantic annotation semantic antinomy semantic atomicity semantic attribute semantic bare templates semantic big data semantic case semantic change semantic completeness

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