????:1????????:??????????

2??????ktv??

3??????????

4????????

5??????9598?

????????????????,????,???????????????????????90%??????????????,????70%???,?,???????????????20??1????,???????

??????,??????????????180?????????????????????????????,????????,????????????????,“??,????????????????,??????????????,???1?????????????????????????????????????????????????,????3~20????????”

??????????????????,???????????????????,??,???30.2????????????????????17.3????????????????21.2???,????

?? ??????? ??????????????????:??????????????????,?????????????????,???????????????????????????,?????????????????

??????????????,???,?????DNA?????????????

(?????? ?????????? ??) ?????????????????????:???