通过穿甲试验，研究装甲钢硬度与抗弹性能之间的关系；
By armor piercing test, the relationship between armor steel hardness and ballistic performance was studied.
只有硬度而没有弹性和韧性的钢材称不上好钢；
Only the hardness and elasticity and toughness of the steel is not good steel;
只有硬度而没有弹性和韧性的钢材称不上好钢；
Only the hardness and elasticity and toughness of the steel is not good steel;
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