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

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

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

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

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

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

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