?? ????????????????????????
????:1???????????:??????
2?????
3??????
4???????
5???????????
1?????3?????????,?????2???????,????????????????????8??,??,?????????“????????????????”?????
?????????????,??????????????????????????,?,??“?????”,?????“?”,????“??????????”?????,??“?????”?????,??????????????????????????,?????????????????????????????????,????,?????,?????90%?????,?????????????????,?,???????30%????????????????????????????????????????????
?????????,???????????????12???????????????,???6??,??????,???????????????,????
(????? ?????????????????? ??????????????)
???:??????