??2?????5??????(???????)5???,??????????????????????????????????

5???????,???? ??????? ????????

?,??????????????,????????“????????????????????”,?????“??”????????,?????“??”??????,???,??“1+N”?????????????????????,??????“??????????????????????”?,????????“????”,?????,?????????????????

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

??1990???????????????????????????,????????????????????????????,??????????????????,??????????????????,??,“??????????,???????”

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

????,??,??20???????“?????”???,???????????????????????????????,????230?;????14????????,??????????;????????????????16???????????????????,?????10?????????????????????????????????????10??????,6??,????(?????)

??????:?????

??

??:???????????,??????????,??????????????