例句與造句

1. by use of grid-shaping skill and multi-grid solver, the flow-induced vibration of the fluid-conveying pipe in water is studied . the vibration mechanism of the fluid-conveying pipe in water is analyzed, the lift and drag acting on pipe in water are calculated . the results obtained are analyzed and compared to the experimental data referred to
   首先對水下輸液管道繞流渦激振動的機(jī)理進(jìn)行了分析，然后，利用網(wǎng)格生成技術(shù)及多重網(wǎng)格法求得了輸液管道在不同來流條件(雷諾數(shù))下的橫向升力系數(shù)及縱向阻力系數(shù)，最后對計(jì)算結(jié)果進(jìn)行了分析，并將其與已有的間接實(shí)驗(yàn)結(jié)果進(jìn)行了對比。
2. It's difficult to find drag act in a sentence. 用drag act造句挺難的