The target DNA segment was amplified by polymerase chain reaction.The PCR products were either used for direct sequence or ligated to PCR II vector for sequence.是什么意思_The target DNA segment was amplified by polymerase chain reaction.The PCR products were either used for direct sequence or ligated to PCR II vector for sequence.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句