例句與造句

1. It is very difficult to solve the problem to make several frequency stagger the frequency of the main vibration sources with the experience analysis method
   在設(shè)計空間受到多種限制下，要使廠房的多階頻率同時與振源頻率錯開，給經(jīng)驗試算的分析方法帶來了很大的困難。
2. Based on that the model is built in reason , many optimum model are built , the possibility that the second frequency staggers the vibration sources when the first frequency has staggered the vibration sources with many object optimum design method , the results under the most possibility are made . the acuity curves of every structure parameter to frequency
   在合理建模的基礎(chǔ)上，提出了多種優(yōu)化模型，采用多目標(biāo)優(yōu)化方法，證明了每種優(yōu)化模型一階頻率錯開禁區(qū)情況下，二階頻率錯開禁區(qū)的最大可能性，得到了在此情況下的最優(yōu)解，很多分析表明，優(yōu)化往往得到經(jīng)驗試算意想不到的結(jié)果。
3. It's difficult to find frequency staggering in a sentence. 用frequency staggering造句挺難的