????20?? ??230?????????
????????????????2????????5????? (?????)5???????,20???“????????????????????”??????????????,????????????????????????????,???????????230?????
?????,????????????,?????20??????????????80??????,??????????????????????,?????
???????????????????????????????????????
????,???????,“????????,???”
????????1990??????????????,30????????????????????????????????,???,??????????????,“????????????????????????”?
“??????????????????????????,?????????????,????,??,??”??????
“?????,???????????????????”?????,????????????????(????)??????,?????????????????,????????,??????(???????????????) ???:???????????