利用实际的弹头重量以及射击的三发平均枪口初速来计算威力系数。
Power factor is calculated using the actual bullet weight and the average velocity of the three rounds fired.
结论：破片和冲击波是大威力弹头爆炸时的主要致伤因素，且高速破片有加重冲击伤的作用。
Conclusion: the shell fragments and blast waves are the main wounding factors during the explosion of powerful bombs and high speed shell fragments increase the wounding effects of blast waves.
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