????:1?????????????:???????

2??????????

3???????

4?????????

5??????

??1???2?????????????????? (?? ?)2??,????

??,??????????????(CENI)????????????????“??????”??“????”???????“??????????????????”??????????????????????

??,?????“?????????????????????”??????????????????????????????????????????????????

?,??????????“???????????????????????????????”????????,?????????????????2000????“4+N”???,???????????????????????,?“??????”??,??????????????(?????????) ???????????:???