???????????????
2?????????10?,?????????,?????(???????????????????????????????)???,8??????,?????????????????,????????????????,????
????????????,?????,???3?????,?????????700??????????????????????????,????????98.2%?
???????(????)????8???,???????70???52??????????,?????????20???????????
???,?????????2?????????20????????????1?????????????????????15????????????????,?500????????,?????(???????? ???)
???????????:???????