“美国国家科学数字图书馆”的概念、定义、翻译、参考文献-科学参考

单词	美国国家科学数字图书馆
释义	美国国家科学数字图书馆 Encyclopedia 管理学数字保存项目释 National Science Digital Library of American; NSDL美国国家科学数字图书馆由美国国家科学基金会（NSF）创建的，对科学、技术、工程和数学（STEM）的高质量数字资源进行有效组织并提供服务的示范性数字图书馆。
随便看	semiconnex relation semiconservative replication semi continuity semi-continuity semicontinuity semicontinuous semicontinuous decomposition semicontinuous equivalence semi continuous fermentation semi continuous function semi-continuous function semicontinuous function semicontinuous hull semicontinuous mapping semicontinuous matrix semicontinuous operator semicontinuous partition semi continuous polymerization semi-continuous polymerization semi continuous reactor semicontinuous set-valued mapping semicontinuous summation method semicontinuum semi-convection semi convergence

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。