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

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

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

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

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

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