例句與造句

1. One dimensional non - isentropic flow induced by high - speed train entering a tunnel
   高速列車(chē)進(jìn)入隧道時(shí)的一維非等熵流
2. The exhaust system and muffler are simplified as a set of 1 - d pipes with non - isentropic flow and with variable sections . the partial differential equations of non - stationary flow are transferred into the stationary differential equations by means of the characteristic lines . these equations are solved by finite difference method
   在排氣管系的計(jì)算中將排氣管簡(jiǎn)化為一組一維非等熵變截面管，并通過(guò)“特征線法”將描述其運(yùn)動(dòng)的非定常流的偏微分方程轉(zhuǎn)化為常微分方程，再用差分?jǐn)?shù)值方法依靠計(jì)算機(jī)求解。
3. It's difficult to find non-isentropic in a sentence. 用non-isentropic造句挺難的