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

2??????????

3?????????

4???sn??

5???????

???,??????

???,?????????????????,????,??????????????????????

???,??????????????????,???,?????

2007???????,??,????????????????????,??????????,??????,????

????????,??????

??????,?????,???????????,????????????????????:“????????,???,????????”

???????,??,???????????????????????????????????,??????????

???????,???????????????,??????

???,???3????????,???????,??????????????????????????????????

18????????,?????????2?????????????;??,????????????;??,???????160????????????

???,??????????????????????,??????“????????”,??????,???

“?????????????,????????”

????????,????????????????????????????,???,???……????,??????;????????????,??????????“??????????”??????????????????????????(??????????? ???? ???????????? ??????? ????????????? ??? ???????? ???) ?????:?????