second isomorphism theorem

例句：

1. 1. The second isomorphism theorem is a fundamental concept in computer science.
   第二同构定理是计算机科学中的一个基本概念。
2. 2.The second isomorphism theorem has been proven to hold true for all groups of order two.
   第二同构定理已被证明对所有阶为二的群成立。
3. 3.The second isomorphism theorem has significant implications for the study of group theory and cryptography.
   第二同构定理对群论和密码学的研究具有重要意义。