The branch of an intelligence service charged with keeping sensitive information from an enemy, deceiving that enemy, preventing subversion and sabotage, and collecting political and military information. 反情報組織情報組織的一個分支，任務是使敵人得不到高級機密，欺騙敵人，避免顛覆和陰謀破壞並收集政治和軍事情況
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