“national astronomical data center”的概念、定义、翻译、参考文献-科学参考

单词	national astronomical data center
释义	national astronomical data center Encyclopedia 理学天文数据库释 national astronomical data center国家天文科学数据中心以中国科学院国家天文台为首的中国天文界面向天文学的科学研究、普及教育以及相关学科和社会的需求提供的天文科学数据服务基础设施。又称中国天文数据中心。
随便看	close coupling approximation close-coupling approximation close coupling calculation close-coupling calculation close cultivation of grassland close curve closed closed-and-open set closed-and-open subset closed and unbounded set closed and unbounded set; club set closed arc closed architecture closed ball closed base closed basin closed boundary closed-box model closed braid closed broken line closed card sorting closed category closed cell closed chain closed channel

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。