并针对一多自由度系统具体论述了固有频率、阻尼比和振型的识别方法，识别结果与理论结果吻合较好。
The natural frequency, damping ratio and mode shape of a multi-degree-of-freedom system are analyzed and the identified results are in good agreement with the theoretical values.
那些在某种程度上得到的人论证了频率的吻合。
Those who buy demonstrate, to some extent, a frequency match.
上市公司的预期违约频率与该公司的信用资质变化吻合，并载有公司未来前景的情报性信号。
The expected default frequency of listed companies can be measured, which is identical with the change of the listed companies' credit quality.
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