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