“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	natural enumeration natural environment space design natural epidemic focus natural epimorphism natural equation natural equivalence natural erosion natural exponent natural extension natural fade document natural family planning natural fermentation natural fertility natural fiber natural fiber reinforcements natural field electrical methods natural filter natural filtration natural-flavoring natural flowing production natural fluid flows natural focus natural forcing natural forest natural forest conservation program

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。