防御学 meaning in English

defense

Wehrmacht flak 88 health increased from 200 to 325
国防军防御学的88炮生命值由200增加到325 。
Wehrmacht registered artillery cost reduced from 150munitions to 125munitions
国防军防御学的预定点炮击弹药消耗由150降低为125 。
Axis advanced warning commander tree ability no longer applies sight bonuses to axis vehicles
轴心国预警技能（防御学右线一号技能）不会再增加车辆的视野。