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