The conclusion is profiling when the is few, the penterite deep is deep, because the stress centralize area is few, do not need more energy to penterite Armor Fabric.

• 由研究结果得知以能量不灭定律,证明了刺刀锥度小时,其防弹织物穿透深度较深,因应力集中面积很少之故,所以不需很大能量即能穿透防弹织物。