“commercial database”的概念、定义、翻译、参考文献-科学参考

单词	commercial database
释义	commercial database Encyclopedia 管理学商业数据库释 commercial database商业数据库由商业机构或其他机构以市场化方式生产的，以营利为目的的各种数据库。
随便看	operator identity operator index operator inequality operator-irreducible representation operator-isomorphic operator isomorphism operator isomorphy operator loop operator mean operator method operator module operator monotone operator norm operator object operator of best approximation operator of finite rank operator of finite trace operator of Fourier type operator of fractional power operator of left translation operator of mass operator of multiplication operator of nonprincipal type operator of nuclear class operator of potential type

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。