????:1???????:98?????

2??????????MM

3???????????

4???????

5???????????

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

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

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

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

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

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

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

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