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