例句與造句

1. based on an engineering background, through numerical simulation of the flow field in the hp turbine of the energy efficient engine ( e3 ), the article research the unsteady flow in a transonic turbine stage, the unsteady phenomena in the stage include the shockwave, wake, shedding vortex, endwall vortex, passage vortex and leakage vortex, etc . there are two shockwaves generated on the vane the tailing edge, one on suction side is named moving shockwave, and name another on pressure side steady shockwave
   本文首先對于研究的意義和國內(nèi)外研究的現(xiàn)狀做了簡要的介紹，再從某工程背景出發(fā)，通過對e3發(fā)動機(jī)高壓渦輪內(nèi)流場的數(shù)值模擬，研究了干涉的周期性的問題，以及渦輪級內(nèi)常見的非定?，F(xiàn)象：激波、尾跡、脫落渦、根腳渦、通道渦、漏流渦。導(dǎo)向器尾緣會出現(xiàn)兩道激波，在吸力面的激波可稱為“運(yùn)動”激波，壓力面的激波可稱為“定常”激波。
2. It's difficult to find tail edge in a sentence. 用tail edge造句挺難的