??
??????????????????2??????14??????????? (???? ?????????)???????????14????????,?????????????????????????8.5?,???????????????39.2%,??????????????????1993??????????????,????,??,?????????,????????????????
??,??,??????????????“????????,?‘?????’?????????????????????????????????????????‘??’???,????50%,????,??”??????????????
??????????????????????????????????,?????????????????????????????,????,????????,???80????
???????12?,???????????,??????
“???,?,??????????,??”?????????
????????????????????????????,?“??????”????“???????”????,????????????????????????,???????????????,????,??????????????(?????????)
???:?????????????
?????????31?????????????????????????