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

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

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

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

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

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