例句與造句

1. It differs from the traditional category theory in two directions : all morphisms have types and the composition of morphisms is not necessary a morphism . two aspects of application of typed category theory are discussed : cones and limits of knowledge complexity classes and knowledge completion with pseudo - functors
   一個帶類型范疇是一個四元組k o , m , g , t ，其中o是一組對象, m是一組態(tài)射,每個態(tài)射有一個類型，表示f是從a到b的態(tài)射，具有類型t 。
2. It's difficult to find complexity class in a sentence. 用complexity class造句挺難的