例句與用法

1. Bp network train sample mode analyse the income by finite element model
   Bp網(wǎng)絡訓練樣本由有限元模型模態(tài)分析所得。
2. Since the structural dynamic characteristic will be changed with its damage , the great difference of structural frequency exists between the theoretical value and the practical value . the problem we are confronted with is how to correct structural fem to make the theoretical value equal to the practical value
   由于模型描述實際結構的不精確性，結構模態(tài)參數(shù)的實測值與有限元理論值之間常常存在較大的差異，因而迫切需要解決的問題便是如何對有限元模型進行修正，使得模型模態(tài)特性的理論值趨近于實測值。