The major point of the text is to show how frequency responsefunction (FRF) measurements are related to the structure's mode shapes and vibrational frequencies.
本讲义的重点，是说明频响函数（FRF）测量结果是如何与结构模态振型和振动频率建立联系的。
The major point of the text is to show how frequency responsefunction (FRF) measurements are related to the structure's mode shapes and vibrational frequencies.
本讲义的重点，是说明频响函数（FRF）测量结果是如何与结构模态振型和振动频率建立联系的。
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