战斗中,战士们常从一个弹坑跳入另一个弹坑向前运动,很少有人在弹坑里受到炮火杀伤,这是为什么呢? 在正常情况下,同一门大炮用同一操作方法连续发射的多发炮弹,射弹都不可能重复落于一点,这在射击原理上叫做射弹散布,造成射弹散布的主要原因,一 In battle, soldiers often jump forward from one crater to another crater. Few people are killed by artillery fire in the crater. Why? Under normal circumstances, multiple artillery shells fired in one operation by the same gun, , It is impossible for the projectile to repeatedly fall to a point, which is called the projectile projectile in the shooting principle and the main reason causing the projectile to scatter