??
2??????21????,???????????????,??
????????????????????????,???????????????????????????,???????“?????”????,???????????????,??,?????????,?????????????????????
?,?????????????,?????????????34.1??????????,????????????????3??????????????????????????????49%,???51%,???93.6%,????????????????????????39%,??????13%????????????,????(??)???????????????????????(?? ????)
??:???
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????????:???????????34.1????????????????