The conclusions are (1) The scale factor of frequency between large and small perspex model test accord with similitude law basically. The error of primary frequency is 2.7% or 4.1%, the error of the second frequency is 0 or 6.05%.

 
  • 得到了以下結論:(1)大小模型頻率符合相似律;一階頻率誤差為2.;7%25、4
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