1.  Decryption: The decryption ability reveals all enemy movements within a sector. Orders are represented by red arrows.

     解密：解密能力可揭露指定分区中敌对部队的动向，并以红色箭头表示。

   2. Spy plan: A spy reveals all unidentified/hidden enemy units in a sector.

      间谍计划：间谍能揭露指定分区内所有未辨识/隐藏部队的位置。

   3. Radio silence: Radio silence hides all allies' units within a sector. All allied units remain hidden from the enemy detection system as long as they do not leave the affected sector.

      无线电静寂：无线电静寂能隐藏指定分区内的友军。在离开该分区前，友军都不会被敌方的侦察系统发现。

   4. Dummy building: Creates a decoy building.

      空壳建筑：建造一座诱饵建筑。