?? ????????????? ???????????
????:1???????:???????
2?????
3?????
4???????????
5??????????
??6????12? (?????????? ??????????????)??????????,????????????????12???????????????,?????????,??????
???????,???,??????
???,?????????????????????,????????????????????,????????????????“??????????????????????”?????????,????????,???????????,?,?????????????????,???????????????????????,???????????????,???????????
?????,???????,?????????????????????????“????”????????,????????
?????????,??(?????)A1???????????????????????80%????????????,???????????????????«??????? ??????????????? ????»,??????????“????,???”?????????????,????????????????????
???????,??“??????”??????????????,???????????????6???????15????????????????????,?,??????“??”????????,??????
??,????????????????????????2????????????,???????,???(?????????) ??????????????????????:?????