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

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

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

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

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

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

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