?? ????20?? ??230?????????
????:1????????:????????
2??????
3?????????
4???????
5????????????
?????2????????????5??? (????)5?????????????????????,20??????????????“????????”?????,???????????,????????????????230???????
?????,??????????,??20??????????80???????????????????,????????????????????????????????????????????????????????????,?????????????????????
???????????????????
???????,?????????????????,“??????????????,??????????????”
?????1990??????????,30???????,????????,????????????????,“????”?
“??????????,?????????????????,????????????????,???????????,????????????????”????
“?????,??”?????,??(????)???,????????,????????????????????????,?????????????(?????????) ???:?????????