Soldiers assigned to the Chinese PLA Army detect the simulated chemical-contaminated area as their teammates provide security cover during a Chemical, Biological, Radioactive and Nuclear (CBRN) decontamination drill. (eng.chinamil.com.cn/Photo by Zeng Cunjun, Li Zhiqiang and Li Yadong)

近日，陆军某部在西北高原组织开展实战背景下的防化综合演练。图为战士对染毒道路实施毒剂侦检。（英文中国军网/曾存军、李志强、李亚栋 摄）