B7 1(CD80) cDNA was cloned by RT PCR from human B lymphma Raji cell line and confirmed by DNA sequencing.是什么意思_B7 1(CD80) cDNA was cloned by RT PCR from human B lymphma Raji cell line and confirmed by DNA sequencing.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句