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