例句與造句

1. In order to handle the subgraph isomorphism problem , the concept of individuals with state backtracking was proposed , where the state information of some potential individuals produced during the evolution were preserved , which contributed to the design of genetic operators
   針對(duì)圖數(shù)據(jù)挖掘中經(jīng)常遇到的子圖同構(gòu)問(wèn)題，提出了帶狀態(tài)回溯個(gè)體的概念，從而使遺傳算子的設(shè)計(jì)更為合理。
2. It's difficult to find isomorphism problem in a sentence. 用isomorphism problem造句挺難的