?? ??????30????????????
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????:1???????????:????1500
2?????300????
3????????
4??????
5????????
??????????9??????????????12?????????????????? (?? ??)??????????????33????(????????????????????)??12??????????????????????,????,??3000?????????,?????????30????
????????????,??33.7%??????????????,??,??????????????,??????????????,??????????
????,???????1?????????8???????,???1977.7???????????????????,????????1.1%???,8???????????1%,?????,???????????????????
?????,???????????,??????????????????,?????????????????????????????
??,???,????????;????????????,??;?????????????????????????????????,????????
??????,?,???????????????????????????,????????????,?????????,???????????????,??????,????????????????????(???????????????????) ?????:????????????????