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

????:??????:?????????

?????12????????????3?? ?????????????????:????????3??,??,????????????????????-??????????????57.31%???????????????????

????????,?57.31%??????,??????????????????51?????,??????

??????????,???????????????????????????????????????????????

??????????????1952??????????????????10?????????????????,????????????72?;???????

????1990?8????????,?15?????????????????,21??(??????????????) ????:???