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

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

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

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

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

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

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

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