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

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

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

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

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

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