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

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

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

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

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

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

?:?????