例句與造句

1. By using this method , the impact on depressing the partial vibration and the radiation of the low frequency noise of the structure underwater is efficacious
   采用增大局部結(jié)構(gòu)剛度的方法，對(duì)于降低水下結(jié)構(gòu)的局部振動(dòng)與低頻噪聲輻射效果顯著。
2. Firstly , finite element model of lathe spindle using finite element technique is established , and supporting bearings are treated as springs , unknown physical parameters and partial vibration displacement make up of new solving vector through using method of combination of academic modeling and experiment , mathematic model of solving stiffness of beating of lathe spindle is established using inverse analysis method of response problem finally
   建立了機(jī)床主軸的有限元模型，將支承軸承簡(jiǎn)化為支承彈簧，通過(guò)理論建模與實(shí)驗(yàn)相結(jié)合的辦法，將待識(shí)別的物理參數(shù)和部分振動(dòng)位移組成新的求解向量，利用響應(yīng)問(wèn)題的逆分析方法建立了求解主軸軸承剛度的數(shù)學(xué)模型。
3. It's difficult to find partial vibration in a sentence. 用partial vibration造句挺難的