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2???????????

3??????????????

4?????vx

5???????

????????????9????3????? (???????????? ?????)??????????????3??????????,8?????,?????104.2???????,???????????1.03%,??????????????????????????1.63%,????????

?????????????,????,??????????????104.5?????????????????????,?????1.06%,????????????1.80%?????????????????,???????102.9???????,??????????????????0.88%,?0.82%;????????????104.5?,?????????????1.06%,?1.86%?

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