The random vibration characteristic of the flexible model is simulated by using PSD method.
用功率谱分析方法分析了在路面激励下柔性模型的振动特性。
There are high frequencies in the flexible model that cannot be obtained from the rigid one, which contribute to the noise of motorcycle.
然而高阶固有频率的产生对摩托车噪音有很大的贡献,这一结果为解决摩托车噪声问题提供了依据。
The sample provides a flexible security model.
这个示例提供一个灵活的安全模型。
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