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航母不是符合最佳效费比的武器选择。潜艇是攻防兼备的战略武器。单纯从军事防御的角度看,潜艇与航母相比更具隐蔽发起突然攻击的优势。用来建造航母的钱,可以研
The aircraft carrier is not a weapon of choice for the best cost-effectiveness ratio. Submarine is both strategic and offensive and defensive weapons. From a purely military defense point of view, submarines and aircraft carriers more subtle than the sudden attack launched. Used to build the aircraft carrier's money, you can research