?? ?????????????????????
????:1???????????:??????????
2?????
3??????
4?????wx
5????????
??1??????????????????2?????????????????????????? (?????????? ???)2?????????????,??
????,?????????(CENI)??????“???”??“?”??????“?”?????????
???????????????????????,?????????????“???????”?????????????????????????????
??????????????,??“????????????????????”???????????,??????????????????2000??“4+N”??????,?????????????????????????????,???“??”?????????????????,????(??) ??????????????????????:?????