The test modal analysis is an effective means to identify the intrinsic attribute of a mechanical structure.

试验模态分析是识别机械结构系统固有特性的一种常用、有效的现代技术。

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As in most experimental situations, the success of the experimental modal analysis process depends upon having very specific goals for the test situation.

大多数试验情况下，成功进行模态试验依赖于对试验情况有非常明确的目标。

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Finally, Based the analysis of theory modal, a modal testing program has been designed according to the existing test equipments, which prepares for the next testing of the vibration and noise.

在理论模态分析的基础上，根据现有的试验设备设计了合理的试验方案，为下步的振动与噪声的试验做了必要的理论准备。

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In the outer ring, it can involve a complicated analysis using the multi-modal, non-exclusive test originating with the Department of Justice, and later adopted by the Courts.

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