A description of the security clearances of the entire set of users of a system in relation to the classification of all the information to be stored or processed by the system. See dedicated mode, multilevel security.
科学参考收录了60776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。