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

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

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

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

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

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

???:?????