例句與造句

1. the notion of fundamental group also came from topology . there are close relations with simple connectedness in representation theory of algebras for fundamental group, as was in algebraic topology
   基本群的概念同樣來自拓?fù)鋵W(xué)，同它在代數(shù)拓?fù)渲幸粯樱诒硎菊撝信c單連通性也有密切的聯(lián)系。
2. It's difficult to find theory of algebra in a sentence. 用theory of algebra造句挺難的