In fact, the immune system select the most effective one by mass screening of its antibodyrepertoire, thus identifying the ones that work best.
实际上，免疫系统是通过对其抗体库的大规模筛选而确定最有效的抗体。
2
Strategy was established for construction of repertoireantibody library with affinity chromatography purifying antigen, antigen immunizing human lymphocytes, RT-PCR and phage display technology.