????:1???????????:?????????

2????????

3?????

4?????????

5???300????

??????????????????(????????????):?????????????????????????,??????????,????????,??,????????

????????????,???3.1??,??14.7????????????,??????????“??”????,?????6????????,????????????????11??,????????????????????2?????????????????????,??,????????,?????????????????

???,????,????????????????????,???110????????????,??????????????4.54??????,???????????15.1%,????????????????????????1??????????????????,?????????,??1100??,??1300????????????????,????990??????????????????????????????

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