例句與造句

1. A experimental study on the 2d time - average flow over a backward facing step via piv
   二維后向臺(tái)階流流動(dòng)特性的實(shí)驗(yàn)研究
2. In a reynolds number range of 150 < 6500 , a particle image velocimetry ( piv ) is used to measure and visualize the 2d flow over a backward facing step
   摘要利用粒子圖像測(cè)速技術(shù)( piv ) ，對(duì)雷諾數(shù)150 < 6500范圍二維后向臺(tái)階的流動(dòng)進(jìn)行詳細(xì)觀測(cè)。
3. It's difficult to find backward facing step in a sentence. 用backward facing step造句挺難的