例句與造句

1. We not only obtain the old conclusions but also generalize some of them . in the section two we study the left invariant dirac structure on poisson groupoids
   本章的第二節(jié)實(shí)際上是第一節(jié)的直接應(yīng)用，主要討論了泊松群胚上的左不變divac結(jié)構(gòu)。
2. It's difficult to find left invariant in a sentence. 用left invariant造句挺難的