?? ????:???818.6???,???????????48.8%
????:1???????????:?????100???
2????????????
3???????????
4?????
5?????????????
?????????????11????????????????????22???? ?????22????????????,??????????????????????????????,?????????
??,????????????????????????,??????????????????????????29???????,??????????????15??????????,??????????????
???,?????,???,??????????,??,???????????????818.6?????,??48.8%;????,??????488.5???????????,?????78.6%?
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