于是一位学者在复写时，把摘录写进正文的这部分，另一位又把它放进正文的另一部分。
So one scribe copying it over puts that excerpt in this part of the text and another one puts it in this part of the text in different places.
由一位工程师写和明显地集中于实际的事情，这份正文为了解决普通的微分方程(颂歌)探索谎话组的应用。
Written by an engineer and sharply focused on practical matters, this text explores the application of Lie groups to solving ordinary differential equations (ODEs).
应用推荐