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

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

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

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

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

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

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