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

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

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

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

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

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

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