“active galactic nucleus classification”的概念、定义、翻译、参考文献-科学参考

单词	active galactic nucleus classification
释义	active galactic nucleus classification Encyclopedia 理学活动星系核分类释 active galactic nucleus classification活动星系核分类活动星系核按观测特征或物理特性进行的分类及命名。
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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。