???????????????

????:????QQ?:?????

2???10???,??????????,???????????(????????)??,8????,????????????,???,??????????

????,?,???3?????????????????,?700????????????????????????????????????????????????????????????,?????????98.2%?

???(????)????8?????????????????????,?????70?????????52???,????????????20????????????

???,?2??????20??????????1???????15?????????,?????????500???,????????????????????????????????(????? ?????????)

???????:?????