在此基础上以球缺型爆炸成型弹丸为计算模型，应用显式有限元程序LS-DYNA对满足模拟比的爆炸成型弹丸侵彻钢靶的过程进行了数值模拟。
With hemispherical EFP simulation model, the penetration process of EFP that satisfies the simulation ratio are calculated using explicit finite element program LS-DYNA in this paper.
这些运动员的缺赛导致美国职业橄榄球每年损失达上亿美元。
The loss of their services costs professional football in America hundreds of millions of dollars annually.
这些运动员的缺赛导致美国职业橄榄球每年损失达上亿美元。
The loss of their services costs professional football in America hundreds of millions of dollars annually.
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