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

????:??????400?????:????????

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

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

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

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

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