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

2??????

3???????

4????????

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

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

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

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

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

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

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

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

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