你好像还挺懒的，看来你要补的课不少，去了解一下PCR的测试原理吧。自己去找！师傅领进门，修行在个人啦！

来源: OneMoreCent 于 2021-12-25 20:53:39 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.