攻击直升机之所以存在,主要是因为它是坦克的天敌。由于有这个认识,几乎所有世界大国的武装力量都在加大对攻击直升机的投入。另一方面,关于坦克是否直接与攻击直升机相抗衡的问题,在各国军队内部却有很大的不确定性。有的依靠战场防空系统,而这些系统在射程或反应时间上多有不足。有的则投资于坦克主动防护系统。坦克 Attack helicopters exist mainly because it is a natural enemy of the tank. With this understanding, the armed forces of almost all the world powers are stepping up their efforts to attack helicopters. On the other hand, there is a great deal of uncertainty within the armed forces of various countries about the issue of whether tanks are directly counterbalancing attack helicopters. Some rely on battlefield air defense systems, and these systems have more than enough range or reaction time. Others are investing in tank active protection systems. tank