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

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

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

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

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

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

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

??

??:???????????,??????????,??????????????