?? 20?? ??????DNA?????? ?????????? ??????
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?2014??,????????????????10??????????,938?????,??,????,??????????????????,?????20??????????????????????
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?2014??,????????????????10??????????,938?????,??,????,??????????????????,?????20??????????????????????
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????:1?????????:??50???
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3????????????
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?2014??,????????????????10??????????,938?????,??,????,??????????????????,?????20??????????????????????
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