“national union catalog”的概念、定义、翻译、参考文献-科学参考

单词	national union catalog
释义	national union catalog Encyclopedia 管理学《全国联合目录》释 national union catalog《全国联合目录》美国国会图书馆出版的大型联合目录。
随便看	yolk protein yolk sac yolk sac diverticulum yolk-shell nanostructure yolk stalk yomihon (reading books) Yomiuri Shimbun Yomuqur Yonat & Alexander Sened Yona Wallach Yoneda embedding Yoneda functor Yoneda lemma Yoneda mapping Yoneda Nobuo Yoneyama Kunizo Yonfan Yong yong Yong'an Shi Yong'an Textile Company Yong Bi Eo Cheon Ga Yongchang Fortress Yongchang Xian Yongcheng Shi

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。