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