??????????? ???? ?????????“???”
?:??,??????????????????????????,????????????“???”?
???:????????????
??????????,??????????????????????,??????????????????12???????????
19???????????
2?????????6????????,??????????????????600???????,????????????????19?????,??2??15??????????????????????????????????,????????
?????????????:“???”??????????? ??
???,??“????”????????????????600??????????????????????????????,?????????1????,????,?????
???????????????????,???1000????????????,???100???????,?????
????:??????????+?? ????
????????,???“?????????????+?”??????????2?5?????????,??500???????????,??????????????????7??????,???
???“???”,??????“???????????????????????”,???22??????????????????????????,???2?????????????????
????????“????” ?????????????
????,?????,?????????“????”,????“???????????”??????,??,????????????????????????????????
?????,????????????????????????,??????????????????,???98%,???????????2??3000???
???????????,???????????????????????10????????????????????????,????????????? ???????:??