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为提高汽车耐久性能，基于道路谱的车身疲劳分析，以实车道路试验采集得到的加速度、位移和应变等数据作为输入进行虚拟迭代；
To improve the durability for automobile, virtual iteration is performed by inputting the data obtained by automotive road tests, including acceleration, displacement stress and so on.
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