Shock spectrum tests are stochastic in nature and difficult to analyze.
冲击谱试验随机性强，难度较大。
The shock environment of the ship structure under underwater explosion is simulated by the shock spectrum.
利用冲击谱描述方法，对舰船在水下爆炸载荷作用下的冲击环境进行了数值模拟和分析。
The shock environment of the ship structure under underwater explosion by the shock spectrum was simulated.
本文利用冲击谱描述方法，对舰船在水下爆炸载荷作用下的冲击环境进行了数值模拟和分析。
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