The system is made up of four modules, such as gene library evolution, clone selection, negative selection, immune memory module. The four patterns form an organic integer.
该系统由四个紧密联系的模块组成：基因库进化、克隆选择、否定选择和免疫记忆，四者形成一个有机的整体。
2
Research in the evolution of the PNH clone will help us to realize the pathogenesis of PNH . It can give us available methods of diagnosis and therapy for PNH .