The stored library was organized in two grades and 3-dimension structure, and a PCR screening system with high efficiency was built.
整个文库以两级3维的结构保存，建立了高效快速的PCR筛选系统。
The stored library was organized in two grades and 3-dimension structure, and a PCR screening system with high efficiency was built.
整个文库以两级3维的结构保存，建立了高效快速的PCR筛选系统。
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