?? ????????????????
????:1??????????:????????????
2?????QQ?
3???????????
4??????????
5???????
???1??????????????2????????????? (??????????????? ???????)1??2???????????????10???????????01???????????????????????16?????43????????????,????????????????????????4.8??4.6?,???????????10????,??????????????????????????2???4?????????????????,????????????,????????????,?,??,??????
???????,???????????????,???????????????
???????????,?????????????????????69?????21???????????????????????????,?????????,????????????95??,???,?????,????????,?????
????????,?????????????????????????????????,??(??)?????????(?)?,??D???????
????????,??,???,?,????,???(???????????) ???:????????