“national license”的概念、定义、翻译、参考文献-科学参考

单词	national license
释义	national license Encyclopedia 管理学国家许可释 national license国家许可由统一的管理机构作为代表，制定资源选择标准，确定采购对象，与数字出版商谈判签订协议，获得数字资源在一个国家范围的使用授权。数字资源集团采购的一种类型。
随便看	predicate constant predicate data model predicate encryption predicate formula predicate letter predicate logic predicate logic of first order predicate logic of higher order predicate logic of second order predicate logic with equality predicate modification rule predicate of first level predicate of first order predicate of n arguments predicate of n variables predicate of second level predicate of second order predicate symbol predicate transformer predicate transformer semantics predicate/transition system predicate variable predicate word predicative predicative analysis

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。