UV radiation induced two major classes of pyrimidine dimmers:the pyrimidine (6-4) pyrimidone photoproduct (6-4 product) and the cyclobutane pyrimidine dimmer(CPD).是什么意思_UV radiation induced two major classes of pyrimidine dimmers:the pyrimidine (6-4) pyrimidone photoproduct (6-4 product) and the cyclobutane pyrimidine dimmer(CPD).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句