“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。
随便看	second harmonic wave second Harnack theorem second home second homotopy theorem second horizontal-circulation flow second incompleteness theorem Second Index Catalogue of Nebulae and Clusters of Stars Second Institutional Act second integral second isodynamic point second isogonic center second isomorphism theorem second kind second language Second Language Acquisition and Learner’s Dictionaries Second Language Acquisition Studies second language developmental patterns second language knowledge second language learning aptitude second language learning motivation second language learning strategies second language learning style second language proficiency Second Language Research Second Latin American Episcopal Conference

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。