实物保护体系【英】

physical protection systems

译文来源

http://www.bjreview.com.cn/document/txt/2010-06/01/content_275778.htm

例句

1. 与会各国确认评估和改善本国实物保护体系的重要性。——《华盛顿核安全峰会工作计划》

1. participating states recognize the importance of evaluating and improving their physical protection systems.—Quoted from Work Plan of Washington Nuclear Security Summit