?????????20???? ??230??

??2????5????? (???)5??????????????,20??????????????????“?????”?,?????????????????,???????230?????????????????????????????????

???,?????????????,????????????????20??????80????,????????????????????????????????????,?????????

?????????????????????????

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

??1990?????????????????????????????????,30????,??,????????????????????????,“???”?

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

“??????,??????????”????????????,???????????(????????????????)????????????????????,???????????????,???????????????,??(????) ???:??????????