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。
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 .
这些认识对PNH 克隆演变机制的研究、 PNH发病机制的阐明以及为临床提供更有效的诊断和治疗手段具有重要意义。
In this sense, the clone technology has disturbed the natural evolution process.
从这个意义上说，克隆技术干扰了自然进化过程。
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