“中性氢区”概念、定义、翻译-科学时代

单词	中性氢区
释义	天文学词汇手册中性氢区 H Ⅰ region；neutral hydrogen region；neutral hydrogen zone
随便看	observation method observation mirror observation network observation network observation officer observation of navigation obstruction observation of nine principles observation of oceanographic elements observation of slope stability observation of stage observation plane observation platform observation point observation port observation port observation research observation scout observation session observation set observation set observation station of surface movement observation target observation test observation to the earth observation unit

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。