词典论坛联络

   英语 +
Google | Forvo | +
短语
 英语 词库

protective security

军队, 后勤 The organized system of defensive measures instituted and maintained at all levels of command with the aim of achieving and maintaining security. 2. In operations, the measures necessary to deny information to the enemy and to ensure that a force retains its freedom of action and is warned or protected against an unexpected encounter with the enemy or an attack. (FRA)
Protective
: 24 短语, 13 学科
一般1
劳动法2
化学2
医疗的1
卫生保健2
商业2
微软1
技术2
林业3
法律3
环境1
电子产品2
经济2