?? 20?????? ??DNA?????????? ?????? ??????
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2?????????????
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5??????????
?????2014?????????????,??????????10????????????????,938????,?????,??,?????????,?????????????????????20?????
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?????2014?????????????,??????????10????????????????,938????,?????,??,?????????,?????????????????????20?????
?:???????????
????:1?????????:???????????
2?????????????
3???????????
4???????
5??????????
?????2014?????????????,??????????10????????????????,938????,?????,??,?????????,?????????????????????20?????
?:???????????