二同构 meaning in English

two-isomorphism

In first section , the concept of pseudo ideal is raised . then , we discuss the relations of pseudo ideals , kernel of homomorphisms and congruences on a division semiring . and the homomorphic basic theorem , the first and the second isomorphic theorems are proved
第一部分，引入伪理想这一新概念，讨论了伪理想，同态核，同余在可除半环中的关系，证明了同态基本定理及第一、二同构定理