???????????????
??????2???????????5??(???????)5????????,????????????????????????????????????????????
5????,???? ?? ??????????,????,???????“??????????????????”,?“?????”??????????,????????“??”?,??????,??“1+N”?????????????????????????????????????,??????????“??”????????????????,???“???????????”,?????????????????????,???????????????????????????
??,?????????“???,????????”???????????????????????????????????,??????????????????,??
??1990?????????????????,?,?????,??????????,???????,“???????????????????????????,??????”
“?????????????????,????????????????????????????,????????,??????????????,???”??????,????,???????
?????,?????,????????20??????????????????????“??????????”??,????????????????????????????????,??230??????;????14??????????,????;??16???????,??????10?10???????????????,6????,???(?????)
???:????????