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1·The conditions for helper phage amplification, titration and store were studied.

对辅助噬菌体扩增、定量及保存条件进行研究。

2·The transformed cells were infected with M13K07 helper phage to produce a phage form of library.

用辅助噬菌体m 13k07感染转化菌，以挽救出噬菌体形式的抗体库。