HHV 6 DNA PCR were detected in 30.9%(13/42) of tissues of NPC, 4.7%(1/21) of precancerous nasopharynx and non in the normal nasopharynx.是什么意思_HHV 6 DNA PCR were detected in 30.9%(13/42) of tissues of NPC, 4.7%(1/21) of precancerous nasopharynx and non in the normal nasopharynx.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句