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