“宁静星系”概念、定义、翻译-科学时代

单词	宁静星系
释义	天文学词汇手册宁静星系 quiescent galaxy
随便看	grade correction grade correlation grade crossing -graded graded graded aggregate pavement graded bedding graded bedding graded colour tint graded commission graded deposit grade definition graded exercise graded filter graded gravel layer graded heterojunction graded index graded index fibre graded index multimode fibre graded-index optical fibre graded junction graded objective graded potential graded premium whole life insurance graded reader

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。